{"title":"Lettuce \u0026 Leafy Greens","description":"\u003cp\u003eNitrogen-forward nutrition for lettuce, kale, spinach, chard, and every leafy crop where the harvest is the foliage itself. Leafy greens want steady available nitrogen, adequate calcium to prevent tip burn, and magnesium for deep leaf color — without the heavy phosphorus and potassium that fruiting formulas carry. This collection centers on Lettuce Fertilizer 8-15-36 for hydroponic and soil programs, backed by Calcium Nitrate and Cal-Mag Plus for tip burn prevention, and fast organic nitrogen sources like Blood Meal and Feather Meal for garden beds. All products are CDFA registered, third-party tested for heavy metals, and made in our FDA-registered California facility. For hydroponic lettuce, add calcium to the reservoir before phosphate sources — the same rule that keeps every recirculating system clean.\u003c\/p\u003e","products":[{"product_id":"ammonium-sulfate-21-0-0-fertilizer","title":"Ammonium Sulfate Fertilizer 21-0-0","description":"\u003cp\u003eAmmonium Sulfate Fertilizer 21-0-0 is a 100% water-soluble fertilizer that supplies 21% nitrogen as ammonium plus 24% sulfur as sulfate. Unlike most soluble fertilizers, which provide nitrogen as nitrate, ammonium sulfate delivers it entirely as ammonium — the form blueberries, azaleas, rhododendrons, and other acid-loving plants are adapted to take up.\u003c\/p\u003e\n\u003cp\u003eNitrogen drives vegetative growth and deep green color, and the 24% sulfur supports chlorophyll formation, protein synthesis, and enzyme function — so when a soil test shows both nutrients are low, one product addresses both. As soil bacteria convert the ammonium to nitrate, hydrogen ions are released and soil pH drops gradually, which makes ammonium sulfate well suited to alkaline soils and to crops that need an acidic root zone. It is a common choice for fast lawn green-up, blueberry and acid-loving ornamental feeding, sulfur-deficient soils, and fertigation, dissolving completely with no residue.\u003c\/p\u003e\n\u003cp\u003eIt is a fast-release soluble nitrogen source, so it should be watered in thoroughly after every application, kept off foliage and stems, and split across multiple passes rather than applied in one heavy dose to reduce turf burn risk. The acidifying effect is cumulative — test soil pH before the first application and retest periodically. It can leave rust-colored staining on concrete and stone, so keep granules off hard surfaces. Store sealed and dry, and never store it in contact with urea. CDFA registered and independently lab tested for heavy metals, with results consistently well below required limits.\u003c\/p\u003e","brand":"Greenway Biotech, Inc.","offers":[{"title":"2 Pounds","offer_id":1459892225,"sku":"701748873870","price":24.99,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":1459892481,"sku":"726670283313","price":34.99,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":1459892545,"sku":"726670283320","price":49.99,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":1459892737,"sku":"726670283351","price":79.99,"currency_code":"USD","in_stock":true},{"title":"50 Pounds (or 2 x 25 pound bags)","offer_id":1459892801,"sku":"018227120104","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/products\/AmmoniumSulfate.JPG?v=1708406631"},{"product_id":"organic-azomite-powder-fertilizer","title":"Organic Azomite Powder Fertilizer 0-0-0.2 (Micronized)","description":"\u003cp\u003eOrganic Azomite 0-0-0.2 Micronized is an OMRI Listed natural mineral soil amendment mined from a single hydrated sodium calcium aluminosilicate (HSCAS) deposit in central Utah — volcanic ash that settled into a mineral-rich seabed roughly 30 million years ago. One product supplies approximately 70 trace and ultra-trace elements, including silica, calcium, magnesium, iron, manganese, zinc, boron, and rare earth elements.\u003c\/p\u003e\n\u003cp\u003eTrace minerals act as cofactors for the enzymatic reactions behind plant metabolism — the work that standard N-P-K fertilizers do not address. Azomite is a long-cycle remineralizer best suited to soils depleted by years of intensive cropping and irrigation, with cumulative benefits typically seen over two to three growing seasons of regular use. It works across vegetable gardens, fruit trees, lawns, and greenhouse potting mixes, and is micronized to roughly −200 mesh for even broadcast distribution and good soil contact.\u003c\/p\u003e\n\u003cp\u003eAzomite is a soil-building amendment, not a primary fertilizer — it supplies almost no nitrogen, phosphorus, or potassium, so it should be paired with a complete fertilizer program. It is largely insoluble and is not intended as a hydroponic reservoir nutrient. It is also approved as a livestock and poultry feed supplement, a separate use that should follow species-specific feed guidance. Work it into the soil, water in, minimize dust when handling, and store sealed and dry.\u003c\/p\u003e\n\u003cp\u003eOMRI Listed and independently lab tested, with heavy metal results consistently well below required limits.\u003c\/p\u003e","brand":"Greenway Biotech, Inc.","offers":[{"title":"1 Pound","offer_id":1476115841,"sku":"701748874143","price":19.99,"currency_code":"USD","in_stock":true},{"title":"2 Pounds","offer_id":1476115905,"sku":"701748874150","price":22.99,"currency_code":"USD","in_stock":true},{"title":"3 Pounds","offer_id":1476115969,"sku":"701748874167","price":24.99,"currency_code":"USD","in_stock":true},{"title":"4 Pounds","offer_id":1476116033,"sku":"701748874174","price":29.99,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":1476116097,"sku":"701748874181","price":31.99,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":1476116161,"sku":"701748874211","price":41.99,"currency_code":"USD","in_stock":true},{"title":"15 Pounds","offer_id":1476116225,"sku":"701748874280","price":45.99,"currency_code":"USD","in_stock":true},{"title":"20 Pounds","offer_id":1476116289,"sku":"018227120111","price":49.99,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":1476116353,"sku":"0701748873993","price":57.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/products\/Rose_and_Flower_Fertilizer.JPG?v=1778389555"},{"product_id":"organic-blood-meal-fertilizer","title":"Organic Blood Meal Fertilizer 13-0-0","description":"\u003cp\u003eOrganic Blood Meal 13-0-0 is a fast-release organic nitrogen fertilizer — dried bovine blood from USDA-inspected processing facilities, milled to a fine powder and lab-tested for heavy metals. At 13% nitrogen, it is one of the most concentrated organic nitrogen sources commonly used in gardens, with the fastest release profile of any organic meal.\u003c\/p\u003e\n\u003cp\u003eNitrogen drives lush, dark-green vegetative growth, which makes blood meal well suited to leafy greens, corn, brassicas, herbs, and lawn green-up, as well as the vegetative phase of tomatoes and peppers. Its nitrogen is bound in protein and released as soil bacteria mineralize it, so in warm, evenly moist soil plants typically begin responding within one to three weeks — faster than feather meal or alfalfa meal, with lower burn risk than fast-release synthetics. It also works as an effective activator for carbon-heavy compost piles.\u003c\/p\u003e\n\u003cp\u003eBlood meal is a soil amendment, not a water-soluble product — it is not suitable for foliar spraying, and microbial release slows sharply in cold soil below roughly 50°F. Because it supplies only nitrogen, pair it with phosphorus and potassium sources for a complete program, and stop nitrogen feeding on fruiting crops at first flower. Its scent can attract pets and wildlife, so always work it into the soil and water in thoroughly rather than leaving it on the surface. Store sealed and dry.\u003c\/p\u003e\n\u003cp\u003eThe 40 lb bag is repackaged from OMRI Listed® material. Third-party lab tested for heavy metals, with results consistently well below required limits.\u003c\/p\u003e","brand":"Greenway Biotech, Inc.","offers":[{"title":"1 Pound","offer_id":1476189505,"sku":"018227120135","price":19.99,"currency_code":"USD","in_stock":true},{"title":"3 Pounds","offer_id":13891580871,"sku":"018227120142","price":29.99,"currency_code":"USD","in_stock":true},{"title":"4 Pounds","offer_id":1476189761,"sku":"701748874068","price":34.99,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":24660826183,"sku":"018227120159","price":39.99,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":1476189825,"sku":"701748874037","price":59.99,"currency_code":"USD","in_stock":true},{"title":"17 Pounds","offer_id":1476189889,"sku":"701748874396","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/products\/BloodMeal.JPG?v=1708406657"},{"product_id":"calcium-nitrate","title":"Calcium Nitrate Fertilizer 15.5-0-0 (Ammonia Calcium Nitrate 15.5-0-0)","description":"\u003cp\u003eCalcium Nitrate Fertilizer 15.5-0-0 is a 100% water-soluble source of 15.5% nitrogen and 19% calcium — two of the most in-demand plant nutrients delivered in a single dissolving step. The nitrogen is almost entirely fast-acting nitrate, plant-available the moment it dissolves, and the formula contains no phosphate or potash.\u003c\/p\u003e\n\u003cp\u003eNitrogen drives chlorophyll production, protein synthesis, and vegetative growth, while calcium supports cell-wall structure in fruit and leaf tissue that expands fastest. Nitrate is also the preferred nitrogen form for calcium-sensitive crops, since ammonium competes with calcium for uptake at the root. Calcium nitrate is widely used as a sidedress for tomatoes, peppers, and cucurbits, as a clean phosphate-free calcium and nitrate source for hydroponic and fertigation systems, and as a low-rate foliar supplement during rapid growth. It dissolves completely with no residue and has a near-neutral effect on soil pH.\u003c\/p\u003e\n\u003cp\u003eOne essential handling rule: calcium and concentrated phosphate or sulfate fertilizers should never be combined in the same stock tank, as they form an insoluble precipitate — keep calcium nitrate in a separate stock tank and combine only in the dilute solution. Water in dry applications, apply foliar sprays in cool conditions, and store sealed and dry, as the product is hygroscopic.\u003c\/p\u003e\n\u003cp\u003eCDFA registered and third-party lab tested for heavy metals, with results consistently well below required limits.\u003c\/p\u003e","brand":"Greenway Biotech, Inc.","offers":[{"title":"2 Pounds","offer_id":1556424641,"sku":"701748873726","price":24.99,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":1556424833,"sku":"701748874051","price":31.99,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":1556424897,"sku":"701748874075","price":49.99,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":1556425089,"sku":"701748874044","price":89.99,"currency_code":"USD","in_stock":true},{"title":"50 Pounds (or 2 x 25 pound bags)","offer_id":1556425153,"sku":"018227120951","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/products\/Ammonium_Calcium_Nitrate_Fertilizer_15.5-0-0_Solution_Grade.JPG?v=1708406706"},{"product_id":"dolomite-lime","title":"Dolomite","description":"\u003cp\u003eDolomite Lime is a finely ground natural limestone soil amendment supplying 22.7% calcium and 11.8% magnesium — two nutrients in a single application — while gradually raising the pH of acidic soil. Unlike calcitic lime, which delivers calcium alone, dolomite is a double-carbonate mineral that supplies both calcium and magnesium in a roughly 2:1 ratio close to what most plants take up.\u003c\/p\u003e\n\u003cp\u003eCalcium supports cell-wall strength and root development; magnesium is the central atom of every chlorophyll molecule. Dolomite neutralizes soil acidity through a carbonate reaction, and because the magnesium fraction dissolves more slowly than calcium carbonate, it buffers pH gradually over months rather than producing a rapid spike — a more forgiving curve that is less likely to overshoot the target range. It suits vegetable gardens, lawns, fruit trees, flower beds, compost piles, and peat-based container mixes.\u003c\/p\u003e\n\u003cp\u003eDolomite works best applied several weeks before planting and worked into the soil; a soil test is the best way to set the correct rate. It is not appropriate for acid-loving plants such as blueberries, azaleas, rhododendrons, and potatoes, which prefer a lower soil pH. It is sold as an agricultural soil amendment, not as an animal feed or livestock supplement. Minimize dust when handling, wear eye protection, and store sealed and dry.\u003c\/p\u003e\n\u003cp\u003eCDFA registered, made in the USA, and third-party lab tested for heavy metals, with results consistently well below required limits.\u003c\/p\u003e","brand":"Greenway Biotech, Inc.","offers":[{"title":"1 Pound","offer_id":41067942547,"sku":"018227120234","price":19.99,"currency_code":"USD","in_stock":true},{"title":"2 Pounds","offer_id":14248129031,"sku":"018227120241","price":21.99,"currency_code":"USD","in_stock":true},{"title":"3 Pounds","offer_id":41068037651,"sku":"018227120258","price":24.99,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":1556587201,"sku":"701748873627","price":31.99,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":1556587265,"sku":"701748873658","price":43.99,"currency_code":"USD","in_stock":true},{"title":"20 Pounds","offer_id":1556587393,"sku":"701748873665","price":54.99,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":1556587457,"sku":"018227120265","price":61.99,"currency_code":"USD","in_stock":true},{"title":"50 Pounds (or 2 x 25 pound bags)","offer_id":1556587521,"sku":"018227120272","price":124.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/products\/Dolomite_Lime_Organic.JPG?v=1711585594"},{"product_id":"epsom-salt","title":"Epsom Salt USP Grade (Magnesium Sulfate) — Bath, Foot Soak \u0026 Garden","description":"\u003cp\u003eGreenway Biotech Epsom Salt is pure USP-Grade magnesium sulfate heptahydrate (MgSO\u003csub\u003e4\u003c\/sub\u003e·7H\u003csub\u003e2\u003c\/sub\u003eO) - the same pharmaceutical-purity specification used for pharmaceutical excipients. Fine-grain crystals dissolve quickly in warm water with no stirring or gritty residue, making it well suited to relaxing bath soaks, foot soaks, and DIY body scrubs.\u003c\/p\u003e\n\n\u003cp\u003eBeyond the bathtub, the same bag works in the garden as a fast-acting source of magnesium and sulfur for plants showing confirmed magnesium deficiency - tomatoes, peppers, roses, citrus, and leafy greens are the most common responders. Available in 2 lb, 5 lb, 10 lb, and 25 lb resealable bags.\u003c\/p\u003e\n\n\u003cp\u003eSourced within the United States and packaged at our family-owned Madera, California facility - registered with the FDA. Third-party lab tested and screened for heavy metals; results consistently well below required limits. 100% magnesium sulfate with no added fragrance, dye, filler, or preservative. External use only. Backed by a 90-day money-back guarantee.\u003c\/p\u003e","brand":"Greenway Biotech, Inc.","offers":[{"title":"1 Pound","offer_id":1556659521,"sku":"0701748873580","price":17.99,"currency_code":"USD","in_stock":true},{"title":"3 Pounds","offer_id":1556659649,"sku":"0701748873894","price":21.99,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":1556659777,"sku":"0701748874013","price":24.99,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":1556659841,"sku":"0701748873801","price":33.99,"currency_code":"USD","in_stock":true},{"title":"20 Pounds","offer_id":1556659969,"sku":"0726670283368","price":41.99,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":1556660033,"sku":"0726670283344","price":51.99,"currency_code":"USD","in_stock":true},{"title":"2 X 25 Pounds","offer_id":30755152232483,"sku":"726670283337","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/files\/Organic_Epsom_Salt_-_Magnesium_Sulfate_USP_grade_25_Pounds.png?v=1781065239"},{"product_id":"chelated-iron-edta","title":"Chelated Iron EDTA Fertilizer","description":"\u003cp\u003eChelated Iron EDTA 13% is a 100% water-soluble micronutrient fertilizer delivering 13.2% EDTA-chelated iron — one of the highest iron concentrations among chelated iron forms — formulated to prevent and correct iron deficiency (interveinal chlorosis) in gardens, raised beds, containers, and hydroponic systems.\u003c\/p\u003e\n\u003cp\u003eIron is essential for chlorophyll synthesis and photosynthesis, and deficiency shows first as yellowing between still-green veins on the newest leaves. Iron is often abundant in soil yet chemically unavailable: above roughly pH 6.5 it converts to insoluble forms roots cannot absorb. The EDTA chelate wraps each iron ion in a stable ring that shields it from reacting with soil calcium, phosphate, and carbonate, keeping iron plant-available through the pH 4.0–7.0 range — where unprotected iron sulfate can lock up within hours. It dissolves cleanly for foliar sprays, soil drenches, fertigation, and hydroponic reservoirs.\u003c\/p\u003e\n\u003cp\u003eEDTA is effective only in acidic to neutral conditions: confirm soil or solution pH before applying, and for soils above roughly pH 7.0–7.5 a DTPA or EDDHA chelate performs better. Apply foliar sprays in cool conditions, avoid drought-stressed plants, wear gloves and eye protection, and store sealed and dry.\u003c\/p\u003e\n\u003cp\u003eCDFA registered and third-party lab tested for heavy metals, with results consistently well below required limits.\u003c\/p\u003e","brand":"Greenway Biotech, Inc.","offers":[{"title":"1 Pound","offer_id":1556850497,"sku":"726670283399","price":29.99,"currency_code":"USD","in_stock":true},{"title":"2 Pounds","offer_id":1556850561,"sku":"726670283450","price":45.99,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":1556850753,"sku":"701748873641","price":95.99,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":7275787681827,"sku":"018227121484","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/files\/Chelated_Iron_EDTA_Fertilizer_1_Pound_380bbfce-b776-4ec4-9f71-ef33a2d56fc6.png?v=1781046663"},{"product_id":"lettuce-fertilizer","title":"Lettuce Fertilizer 8-15-36 | Chelated Micronutrients | Hydroponics, Soil \u0026 Foliar Application","description":"\u003cp\u003eLettuce Fertilizer 8-15-36 is a premium, 100% water-soluble formula built specifically for lettuce, kale, spinach, chard, and all leafy green crops. The high 36% soluble potash, 15% available phosphate, and moderate 8% nitrogen are tuned to leaf quality, texture, and shelf life, with EDTA-chelated iron, manganese, zinc, and copper plus boron and molybdenum.\u003c\/p\u003e\n\u003cp\u003eLeafy greens are largely water, and potassium regulates water pressure within plant cells, supporting cell-wall strength for crisp texture and post-harvest quality. The moderate nitrogen supplies enough for healthy green leaves while avoiding the overly succulent growth, reduced shelf life, and excess nitrate accumulation that come from overfeeding. It dissolves cleanly for hydroponic systems, drip fertigation, soil and container growing, and supplemental foliar use, and can be scaled down for baby leaf and microgreen production.\u003c\/p\u003e\n\u003cp\u003eThis formula does not contain calcium by design — calcium and phosphate should not be combined in concentrated stock solution, so a separate calcium source should be applied independently. Pre-dissolve each fertilizer separately, keep solution EC moderate, follow label crop restrictions, and stop foliar feeding well before harvest. Store sealed and dry.\u003c\/p\u003e\n\u003cp\u003eCDFA registered and third-party lab tested for heavy metals, with results consistently well below required limits.\u003c\/p\u003e","brand":"Greenway Biotech, Inc.","offers":[{"title":"1 Pound","offer_id":31482194985038,"sku":"619206360469","price":24.99,"currency_code":"USD","in_stock":true},{"title":"2 Pounds","offer_id":1840836993,"sku":"018227121538","price":38.99,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":1840837057,"sku":"701748873689","price":59.99,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":1840837185,"sku":"018227121545","price":106.99,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":1840837249,"sku":"018227121552","price":214.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/files\/Lettuce_Fertilizer_8-15-36_1_Pound.png?v=1780779137"},{"product_id":"cal-mag-plus-2-0-0-concentrate","title":"Cal-Mag Plus 2-0-0 Concentrate","description":"\u003cp\u003eCal-Mag Plus 2-0-0 is a 100% water-soluble calcium, magnesium, and iron supplement built for hydroponics, coco coir, and reverse-osmosis water — the three growing conditions where calcium and magnesium deficiency is most likely. It supplies 3.2% calcium, 1.2% magnesium, 0.1% EDTA-chelated iron, and 2% nitrogen from nitrate sources.\u003c\/p\u003e\n\u003cp\u003eCalcium supports cell-wall integrity, magnesium sits at the center of every chlorophyll molecule, and the EDTA-chelated iron stays plant-available across the working pH range of hydroponic systems. Because RO and distilled water carry no minerals, and because coco coir naturally binds calcium and magnesium, base fertilizers alone often leave these nutrients short. Cal-Mag Plus fills that gap and is the first component poured in Greenway's 4-part hydroponic feeding program.\u003c\/p\u003e\n\u003cp\u003eDissolve into a reusable stock concentrate, add it to the reservoir first — before any other nutrient — to help prevent precipitation, then set pH last. Never combine concentrated Cal-Mag directly with concentrated sulfate or phosphate fertilizers; use separate stock tanks and dilute each independently. Adjust the dose to your water hardness, and for coco coir, feed at every watering. Store sealed and dry.\u003c\/p\u003e\n\u003cp\u003eCDFA registered and third-party lab tested for heavy metals, with results consistently well below required limits.\u003c\/p\u003e","brand":"Greenway Biotech, Inc.","offers":[{"title":"2.5 Pounds (Makes 1 Gallon)","offer_id":1841274369,"sku":"0701748874266","price":33.99,"currency_code":"USD","in_stock":true},{"title":"5 Pounds (Makes 2 Gallons)","offer_id":1841274433,"sku":"0701748874273","price":55.99,"currency_code":"USD","in_stock":true},{"title":"10 Pounds (Makes 4 Gallons)","offer_id":1841274497,"sku":"018227121439","price":97.99,"currency_code":"USD","in_stock":true},{"title":"25 Pounds (Makes 10 Gallons)","offer_id":1841274561,"sku":"018227121446","price":209.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/products\/CalMag.JPG?v=1708406691"},{"product_id":"urea","title":"Urea Fertilizer 46-0-0","description":"\u003cp\u003eUrea Fertilizer 46-0-0 is a concentrated prilled nitrogen fertilizer for soil application, delivering 46% actual nitrogen — among the highest concentrations of any dry nitrogen source. 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Store sealed and dry, as urea readily absorbs moisture.\u003c\/p\u003e\n\u003cp\u003eCDFA registered and third-party lab tested for heavy metals, with results consistently well below required limits.\u003c\/p\u003e","brand":"Greenway Biotech, Inc.","offers":[{"title":"1 Pound","offer_id":26143593799,"sku":"018227120548","price":18.99,"currency_code":"USD","in_stock":true},{"title":"2 Pounds","offer_id":3562955777,"sku":"701748874327","price":22.99,"currency_code":"USD","in_stock":true},{"title":"3 Pounds","offer_id":26143614663,"sku":"018227120555","price":26.99,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":3562955841,"sku":"701748874006","price":31.99,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":3562955905,"sku":"701748873672","price":49.99,"currency_code":"USD","in_stock":true},{"title":"20 Pounds","offer_id":3562955969,"sku":"726670283306","price":69.99,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":26143644423,"sku":"018227120579","price":79.99,"currency_code":"USD","in_stock":true},{"title":"50 Pounds (2 x 25 pound bags)","offer_id":3562956033,"sku":"018227120586","price":146.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/products\/Urea.JPG?v=1711585946"},{"product_id":"organic-elemental-sulfur-powder","title":"Organic Elemental Sulfur Powder","description":"\u003cp\u003eOrganic Elemental Sulfur Powder is a CDFA-registered, finely milled elemental sulfur (≥98% S) for lowering soil pH and supplying sulfur as a plant nutrient. The fine particle size gives soil bacteria more surface area to colonize, which speeds the conversion to plant-available sulfate.\u003c\/p\u003e\n\u003cp\u003eElemental sulfur is not directly acidic — soil bacteria oxidize it into sulfuric acid, which gradually lowers soil pH over a period of months. This makes it well suited to acid-loving plants such as blueberries, azaleas, rhododendrons, and hydrangeas, and to acidifying alkaline lawns and beds. Sulfur is also the fourth most-needed plant nutrient after nitrogen, phosphorus, and potassium, supporting protein synthesis and chlorophyll production, with deficiencies increasingly common on sandy and low-organic-matter soils.\u003c\/p\u003e\n\u003cp\u003eBecause conversion is biological, results are gradual and depend on warm, moist, well-aerated soil; calcareous (free-lime) soils resist acidification. Test soil pH before applying, do not exceed recommended single-application rates, and retest before reapplying. 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Each pound delivers 61% available phosphate (P₂O₅) and 12% ammoniacal nitrogen, dissolving completely with no residue.\u003c\/p\u003e\n\u003cp\u003ePhosphorus supports root development, flowering, and fruit set, and the ammonium-form nitrogen helps acidify the root zone to keep phosphate plant-available. Because it dissolves clear without clogging emitters, MAP 12-61-0 is engineered for drip irrigation, fertigation, hydroponic reservoirs, banded liquid starter applications, and foliar correction. Its mildly acidic solution makes it especially useful on alkaline and hard-water soils where phosphorus would otherwise lock up.\u003c\/p\u003e\n\u003cp\u003eThis is the water-soluble grade; for dry broadcast on fields, lawns, and garden beds, the granular MAP 11-52-0 grade is the appropriate choice. In hydroponic and fertigation systems, keep MAP separate from concentrated calcium- and magnesium-bearing fertilizers, since combining them in concentrated stock causes precipitation — run separate stock tanks. Check solution pH after adding, and for foliar use, spray in early morning or late afternoon.\u003c\/p\u003e\n\u003cp\u003eCDFA registered and third-party lab tested for heavy metals, with results consistently well below required limits.\u003c\/p\u003e","brand":"Greenway Biotech, Inc.","offers":[{"title":"2 Pounds","offer_id":4466423681,"sku":"018227121071","price":29.99,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":4466423745,"sku":"701748874303","price":49.99,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":4466423873,"sku":"018227121064","price":89.99,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":4466423937,"sku":"701748873979","price":119.99,"currency_code":"USD","in_stock":true},{"title":"50 Pounds (or 2 x 25 pound bags)","offer_id":4466424001,"sku":"018227121057","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/products\/MonoammoniumPhosphate_copy.JPG?v=1711585806"},{"product_id":"gypsum","title":"Gypsum","description":"\u003cp\u003eGypsum (Calcium Sulfate) is a premium mined agricultural soil amendment that supplies 22.5% calcium and 18% sulfur from natural calcium sulfate dihydrate (CaSO₄·2H₂O) at 97% purity. Unlike lime, gypsum delivers calcium without raising soil pH, making it the right choice for soils where pH is already adequate or alkaline.\u003c\/p\u003e\n\u003cp\u003eGypsum works through three independent mechanisms: it supplies plant-available calcium for cell walls and root structure, it helps loosen heavy clay soils by flocculating clay particles into larger aggregates for better drainage and air movement, and it displaces sodium in sodic soils where drainage allows the sodium to leach away. It also provides sulfur for protein and chlorophyll synthesis. This makes it well suited to clay-soil lawns and gardens, calcium-sensitive crops such as tomatoes, peppers, brassicas, and peanuts, orchards, and sodic-soil reclamation.\u003c\/p\u003e\n\u003cp\u003eBroadcast with a spreader and water in, or incorporate into the top several inches for the fastest structural response. Gypsum carries no burn risk at recommended rates and can be applied year-round. 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Its guaranteed analysis is 11% iron held as a DTPA chelate, which keeps the iron plant-available up to roughly pH 7.5 — past the point where standard EDTA iron chelates begin to lose effectiveness.\u003c\/p\u003e\n\u003cp\u003eIron deficiency is usually caused by soil pH locking up iron rather than a true shortage, and it shows as interveinal yellowing on the youngest leaves first. DTPA's stronger hold makes this product a practical choice for neutral-to-alkaline soils, alkaline or bicarbonate-rich irrigation water, and situations where an EDTA-based iron has failed. It dissolves completely with no residue for soil drench, foliar spray, hydroponic, and aquaponic use.\u003c\/p\u003e\n\u003cp\u003eConfirm the deficiency and check pH before applying, since a chelate corrects iron availability but does not lower soil or water pH. Fe-DTPA breaks down under UV light, so keep reservoirs shaded. 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It supplies seven trace elements — iron, zinc, manganese, copper, boron, molybdenum, and calcium — in a single powder, replacing the need for multiple separate micronutrient supplements.\u003c\/p\u003e\n\u003cp\u003eIron, zinc, manganese, and copper are EDTA-chelated, which keeps these metals dissolved and available across the typical 5.5–6.5 reservoir pH range where unchelated forms tend to precipitate and become unavailable to roots. Boron and molybdenum are supplied in mineral form, which is naturally stable across that range. Micronutrient demand stays relatively constant through the growth cycle, so Micro Green is dosed at a steady rate from early growth through flowering, making it a straightforward addition to a recirculating reservoir, drip system, or coco feed.\u003c\/p\u003e\n\u003cp\u003eMix into a stock solution and store it in a dark container, since light can degrade the chelates over time. Add it to reservoir water rather than combining concentrates directly, and do not exceed recommended rates — copper and zinc can reach phytotoxic levels if overdosed.\u003c\/p\u003e\n\u003cp\u003eCDFA registered and independently lab tested for heavy metals, with results consistently well below required limits.\u003c\/p\u003e","brand":"Greenway Biotech, Inc.","offers":[{"title":"1.48 Pounds (Makes 1 Gallon)","offer_id":38831975367,"sku":"018227121194","price":29.99,"currency_code":"USD","in_stock":true},{"title":"7.42 Pounds (Makes 5 Gallons)","offer_id":42003800147,"sku":"018227121811","price":99.99,"currency_code":"USD","in_stock":true},{"title":"14.80 Pounds (Makes 10 Gallons)","offer_id":42003800211,"sku":"018227121804","price":194.99,"currency_code":"USD","in_stock":true},{"title":"29.7 Pounds (Makes 20 Gallons)","offer_id":42003800275,"sku":"018227121798","price":329.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/products\/MicroGreen1Pound.png?v=1605712112"},{"product_id":"magnesium-nitrate-fertilizer-11-0-0","title":"Magnesium Nitrate Fertilizer 11-0-0","description":"\u003cp\u003eMagnesium Nitrate Fertilizer 11-0-0 is a CDFA-registered, 100% water-soluble fertilizer that delivers two essential nutrients in a single application: 11% nitrate nitrogen and 9.6% magnesium. The nitrogen is supplied entirely as nitrate, so it is immediately plant-available with no microbial conversion step and stays available even in cool soils.\u003c\/p\u003e\n\u003cp\u003eMagnesium is the central atom of every chlorophyll molecule and activates key plant enzymes; deficiency typically shows as interveinal yellowing on older, lower leaves. This product corrects both nitrogen and magnesium needs at once in a pH-neutral carrier that will not acidify the root zone. It dissolves completely with no residue, making it well suited to hydroponic Tank A programs, fertigation, soil drench, and foliar correction, and it is compatible with calcium nitrate in concentrated stock.\u003c\/p\u003e\n\u003cp\u003eAdd the fertilizer to water and stir until clear; apply foliar sprays in early morning or late afternoon, and keep foliar rates well below soil rates. Keep separate from concentrated phosphate stock tanks.\u003c\/p\u003e\n\u003cp\u003eIndependently lab tested for heavy metals, with results consistently well below required limits.\u003c\/p\u003e","brand":"Greenway Biotech, Inc.","offers":[{"title":"2 Pounds","offer_id":44983764307,"sku":"018227121149","price":26.99,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":44983764371,"sku":"018227121156","price":39.99,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":44983764435,"sku":"018227121163","price":59.99,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":44983764499,"sku":"018227121170","price":89.99,"currency_code":"USD","in_stock":true},{"title":"50 Pounds (or 2X 25 Pound bags)","offer_id":44983764563,"sku":"018227121187","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/products\/Magnesium_Nitrate_11-0-0.JPG?v=1711585777"},{"product_id":"organic-boric-acid","title":"Organic Boric Acid","description":"\u003cp\u003eOrganic Boric Acid Fertilizer 17% Boron is a laboratory-grade boric acid (H₃BO₃) refined to 99.9% purity, delivering 17% elemental boron in a fully water-soluble crystalline form — one of the most concentrated boron sources available.\u003c\/p\u003e\n\u003cp\u003eBoron is an essential micronutrient that supports cell wall structure, sugar transport, and pollination, with deficiency common in sandy, leached, and high-pH soils. Boric acid dissolves directly into plant-available borate ions with no conversion step, and stays available across the common soil pH range without chelation. One product covers soil broadcast, foliar spray, fertigation, and hydroponic feeding.\u003c\/p\u003e\n\u003cp\u003eBoron has the narrowest sufficiency-to-toxicity window of any plant micronutrient, so precise dosing is essential — confirm deficiency with a soil or tissue test, start at the low end of recommended rates, and avoid broadcasting on boron-sensitive crops such as corn and beans. For fruiting crops, a pink-bud or pre-bloom foliar application supports fruit set.\u003c\/p\u003e\n\u003cp\u003eCDFA registered and third-party lab tested for heavy metals, with results consistently well below required limits. Never exceed recommended rates; store sealed away from children, pets, and food.\u003c\/p\u003e","brand":"Greenway Biotech, Inc.","offers":[{"title":"1 Pound","offer_id":44986140243,"sku":"018227121088","price":19.99,"currency_code":"USD","in_stock":true},{"title":"2 Pounds","offer_id":44986140307,"sku":"018227121095","price":24.99,"currency_code":"USD","in_stock":true},{"title":"3 Pounds","offer_id":44986140371,"sku":"018227121101","price":29.99,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":44986140435,"sku":"018227121118","price":34.99,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":44986140499,"sku":"018227121125","price":59.99,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":44986140563,"sku":"018227121132","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/files\/Organic_Boric_Acid_Powder_1_Pound.png?v=1781628045"},{"product_id":"chelated-manganese-edta","title":"Chelated Manganese EDTA Fertilizer","description":"\u003cp\u003eChelated Manganese EDTA is a 100% water-soluble micronutrient fertilizer that corrects manganese deficiency in plants. Its guaranteed analysis is 13% chelated manganese, held as a stable EDTA complex that keeps the manganese plant-available from pH 4.0 to 7.0 — the range where sulfate forms rapidly oxidize and become unavailable in soil.\u003c\/p\u003e\n\u003cp\u003eManganese is an essential micronutrient central to photosynthesis and active in dozens of plant enzyme systems. Because manganese deficiency typically appears as interveinal chlorosis on middle-aged leaves, a tissue or soil test is the best way to confirm it before treating. The EDTA chelate dissolves cleanly with no residue, making this product suitable for foliar correction, soil and field application, drip fertigation, turf, and hydroponic systems — and it is the preferred manganese form for tank-mixing with glyphosate.\u003c\/p\u003e\n\u003cp\u003eFor foliar use, spray in early morning or late afternoon, keep rates modest, and repeat as needed until new growth greens up. Do not exceed recommended rates: excess manganese can be harmful to sensitive crops and can interfere with iron uptake.\u003c\/p\u003e\n\u003cp\u003eCDFA registered and third-party lab tested for heavy metals, with results consistently well below required limits.\u003c\/p\u003e","brand":"Greenway Biotech, Inc.","offers":[{"title":"1 Pound","offer_id":4658714673187,"sku":"018227121354","price":29.99,"currency_code":"USD","in_stock":true},{"title":"2 Pound","offer_id":4658714705955,"sku":"018227121361","price":45.99,"currency_code":"USD","in_stock":true},{"title":"5 Pound","offer_id":4658714738723,"sku":"619206360865","price":95.99,"currency_code":"USD","in_stock":true},{"title":"25 Pound","offer_id":4658714771491,"sku":"018227121385","price":309.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/products\/Manganese_Chelated_EDTA_Fertilizer_13_Manganese.jpg?v=1708406603"},{"product_id":"chelated-zinc-edta","title":"Chelated Zinc EDTA Fertilizer","description":"\u003cp\u003eChelated Zinc EDTA is a professional-grade, 100% water-soluble micronutrient fertilizer that corrects zinc deficiency in plants. Its guaranteed analysis is 14% zinc, held as a stable EDTA chelate that keeps the zinc plant-available up to roughly pH 7.0 — well past the point where zinc sulfate begins to lock up in alkaline and calcareous soils.\u003c\/p\u003e\n\u003cp\u003eZinc is an essential micronutrient and a cofactor for enzyme systems involved in protein synthesis, carbohydrate metabolism, and growth-hormone regulation. Because zinc is immobile in plants, deficiency shows first on new growth as interveinal yellowing, small leaves, and shortened, clustered internodes. The EDTA chelate dissolves cleanly with no residue, making this product suitable for soil application, foliar correction, drip fertigation, and hydroponic systems — especially where high-pH irrigation water would precipitate ionic zinc salts.\u003c\/p\u003e\n\u003cp\u003eConfirm zinc deficiency with a soil test before applying; zinc is a heavy metal that accumulates in soil, so apply only what a deficiency warrants. 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It supplies 12% total nitrogen as water-insoluble keratin protein, released gradually over 3 to 4 months as soil microbes break it down — one of the longest natural nitrogen curves among common organic fertilizers.\u003c\/p\u003e\n\u003cp\u003eBecause the nitrogen must be digested by soil microbes before it becomes plant-available, burn risk is very low and the nitrogen resists leaching, staying in place until the crop can use it. This makes feather meal a strong fit for heavy-feeding crops, tomatoes and peppers, leafy greens, fruit trees and orchards, organic lawns, and as a compost activator. The microbial activity it drives also supports soil biology over time.\u003c\/p\u003e\n\u003cp\u003eWork feather meal into the top 3–4 inches of soil 2 to 4 weeks before planting, and water in thoroughly; microbial breakdown is best in soil above 50°F. Do not place it in direct contact with seeds or young transplant roots.\u003c\/p\u003e\n\u003cp\u003eCDFA registered and independently lab tested for heavy metals, with results consistently well below required limits. Wear a dust mask when measuring in enclosed areas, and work the product into the soil rather than leaving it on the surface.\u003c\/p\u003e","brand":"Greenway Biotech, Inc.","offers":[{"title":"2 Pounds","offer_id":12224833552419,"sku":"018227121699","price":24.99,"currency_code":"USD","in_stock":true},{"title":"4 Pounds","offer_id":12224882343971,"sku":"018227121705","price":34.99,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":12224882376739,"sku":"018227121712","price":59.99,"currency_code":"USD","in_stock":true},{"title":"15 Pounds","offer_id":12224882409507,"sku":"018227121729","price":89.99,"currency_code":"USD","in_stock":true},{"title":"40 Pounds","offer_id":12224882442275,"sku":"018227121736","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/products\/Feather_Meal_12-0-0.jpg?v=1711585610"},{"product_id":"sodium-molybdate","title":"Sodium Molybdate","description":"\u003cp\u003eSodium Molybdate 39% Mo is a single-ingredient, 100% water-soluble micronutrient fertilizer that corrects molybdenum deficiency in plants. Molybdenum is an essential trace nutrient and the metal cofactor for two key enzymes: nitrate reductase, which lets plants convert nitrate into proteins, and nitrogenase, which lets legume root nodules fix atmospheric nitrogen.\u003c\/p\u003e\n\u003cp\u003eWhen molybdenum is short, plants can show symptoms that resemble nitrogen deficiency even when nitrogen is abundant, and legumes may nodulate poorly despite good inoculation. At 39% molybdenum by weight, only ounces per acre are typically needed, and the same product works as a legume seed treatment, foliar spray, soil application, or hydroponic supplement.\u003c\/p\u003e\n\u003cp\u003eBecause molybdenum availability drops sharply in acid soils, confirm the need with a soil or tissue test before applying — in moderately acidic soils, liming can sometimes resolve the deficiency on its own. Always follow recommended rates: excess molybdenum in forage can be harmful to grazing cattle and sheep, so do not apply to pasture without baseline forage testing.\u003c\/p\u003e\n\u003cp\u003eCDFA registered and independently lab tested for heavy metals, with results consistently well below required limits. Keep out of reach of children, pets, and livestock.\u003c\/p\u003e","brand":"Greenway Biotech, Inc.","offers":[{"title":"1 Pound","offer_id":13540625612835,"sku":null,"price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/products\/IMG_9805.jpg?v=1711585906"},{"product_id":"chelated-copper-edta-14-cu","title":"Chelated Copper EDTA Fertilizer - 14% Cu","description":"\u003cp\u003eChelated Copper EDTA 14% Cu is a single-ingredient, 100% water-soluble micronutrient fertilizer that corrects copper deficiency in plants. The EDTA chelate holds copper plant-available across roughly pH 4 to 9, including the neutral and alkaline soils where unchelated copper sulfate reacts with carbonates and phosphates and becomes unavailable to roots.\u003c\/p\u003e\n\u003cp\u003eCopper is an essential micronutrient and a cofactor for more than 30 plant enzymes involved in photosynthesis, respiration, and lignin formation. Because copper is immobile in plants, deficiency shows first on new growth as pale young leaves, twisted shoots, and tip dieback. This product dissolves completely with no residue, making it suitable for soil application, foliar spray, drip fertigation, and hydroponic systems without clogging emitters.\u003c\/p\u003e\n\u003cp\u003eCopper is a trace nutrient with a narrow margin between deficiency and toxicity, and it accumulates in soil — confirm the need with a soil or tissue test, follow label rates, and retest before repeat applications. This is a nutritional product, not a fungicide.\u003c\/p\u003e\n\u003cp\u003eCDFA registered and independently lab tested for heavy metals, with results consistently well below required limits. Copper is highly toxic to sheep — do not apply where sheep graze.\u003c\/p\u003e","brand":"Greenway Biotech, Inc.","offers":[{"title":"1 Pound","offer_id":13566122852387,"sku":"018227121316","price":32.99,"currency_code":"USD","in_stock":true},{"title":"2 Pounds","offer_id":13566193008675,"sku":"018227121323","price":49.99,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":13566193041443,"sku":"018227121330","price":109.99,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":13566193074211,"sku":"018227121347","price":359.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/files\/Chelated_Copper_EDTA_Fertilizer_1_Pound_fba31fae-de8b-4450-9422-5c838f44821d.png?v=1780849335"},{"product_id":"organic-cottonseed-meal-fertilizer","title":"Organic Cottonseed Meal Fertilizer 5-2-1","description":"\u003cp\u003eCottonseed Meal 5-2-1 is a single-ingredient slow-release organic fertilizer derived from cottonseed processing. It delivers a complete macronutrient profile — 5% nitrogen, 2% available phosphate (P₂O₅), and 1% soluble potash (K₂O) — released gradually over 4–8 weeks as soil microbes decompose the organic matter, which largely eliminates the foliage burn risk of concentrated synthetic nitrogen.\u003c\/p\u003e\n\u003cp\u003eAs it breaks down, cottonseed meal gradually lowers soil pH, making it especially well-suited to blueberries, azaleas, camellias, rhododendrons, and other acid-loving plants. Its low carbon-to-nitrogen ratio also makes it a useful nitrogen boost for compost piles, and the organic matter feeds beneficial soil microbes over time. The source material is non-GMO.\u003c\/p\u003e\n\u003cp\u003eUse it as a pre-plant amendment for vegetable and raised beds, around trees and shrubs, or for new lawn establishment. Spread evenly, work into the top 4–6 inches of soil, and water in thoroughly. It is a dry granular amendment, not water-soluble — not for foliar spraying.\u003c\/p\u003e\n\u003cp\u003eCDFA registered and independently lab tested for heavy metals, with results consistently well below required limits. Keep pets away from freshly applied product until it is worked into soil and watered in.\u003c\/p\u003e","brand":"Greenway Biotech, Inc.","offers":[{"title":"2 Pounds","offer_id":15066926055459,"sku":"619206360391","price":15.99,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":15191369023523,"sku":"619206360407","price":24.99,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":15191369056291,"sku":"619206360414","price":39.99,"currency_code":"USD","in_stock":true},{"title":"20 Pounds","offer_id":15191369089059,"sku":"619206360421","price":76.99,"currency_code":"USD","in_stock":true},{"title":"50 Pounds (or 2 x 25 pound bags)","offer_id":15191369121827,"sku":"619206360438","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/products\/Cottonseed_Meal_Fertilizer_Organic.jpg?v=1711585573"},{"product_id":"organic-crustacean-meal-4-0-0","title":"Crustacean Meal Fertilizer 4-0-0","description":"\u003cp\u003eOrganic Crustacean Meal 4-0-0 is a slow-release soil amendment made from dried, ground crab and shrimp shells — a recycled byproduct of the seafood processing industry. It supplies 4% organic nitrogen, 12% calcium, and 1.3% magnesium, along with naturally occurring chitin, the structural fiber found in crustacean exoskeletons.\u003c\/p\u003e\n\u003cp\u003eThe nitrogen is held in a protein matrix and releases gradually over 2–3 months as soil microbes break the material down, so burn risk is low. Calcium supports cell wall integrity and fruit nutrition, while chitin acts as a substrate for chitinase-producing soil bacteria and fungi. Unlike lime-based calcium sources, crustacean meal has minimal effect on soil pH — useful where you need calcium without raising pH.\u003c\/p\u003e\n\u003cp\u003eIt is well suited to pre-plant vegetable bed preparation, transplants, fruit and landscape trees, container mixes, and compost. Spread evenly, incorporate into the top 3–6 inches of soil, water in thoroughly, and allow 4–6 weeks before planting.\u003c\/p\u003e\n\u003cp\u003eCDFA registered and independently lab tested for heavy metals, with results consistently well below required limits. As an animal-origin amendment with a seafood odor, store bags securely away from pets.\u003c\/p\u003e","brand":"Greenway Biotech, Inc.","offers":[{"title":"2 Pounds","offer_id":32509082468430,"sku":"619206360506","price":24.99,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":32509082501198,"sku":"619206360513","price":31.99,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":32509085122638,"sku":"619206360520","price":51.99,"currency_code":"USD","in_stock":true},{"title":"20 Pounds","offer_id":32542682841166,"sku":"619206360537","price":89.99,"currency_code":"USD","in_stock":true},{"title":"40 Pounds","offer_id":32542684708942,"sku":"619206360544","price":169.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/products\/CrustaceanMealScoopPhoto.jpg?v=1711585580"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/collections\/collection-lettuce-leafy-greens.png?v=1784749382","url":"https:\/\/www.greenwaybiotech.com\/collections\/lettuce-leafy-greens.oembed","provider":"Greenway Biotech, Inc.","version":"1.0","type":"link"}