{"title":"Houseplants \u0026 Indoor","description":"\u003cp\u003eClean, precise nutrition for houseplants, indoor citrus, and container gardens — sized and formulated for pots, not fields. Container plants live in a closed system: nutrients deplete, salts accumulate, and deficiencies show fast in a monstera or ficus that can't reach fresh soil. All-Purpose Houseplant Food 21-7-14 delivers the classic 3-1-2 foliage ratio at measured indoor strength, while Chelated Iron corrects the pale, yellowing leaves common in indoor citrus and acid-loving houseplants, and Cal-Mag Plus covers the deficiency most tap-water-fed plants eventually hit. Every product is fully water-soluble, CDFA registered, and third-party tested for heavy metals — nutrition you can trust in the home you live in. Feed at half strength year-round rather than full strength in bursts; indoor plants prefer consistency to intensity.\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":"organic-ferrous-sulfate","title":"Organic Ferrous Sulfate (Iron Sulfate) | 20% Iron (Fe)","description":"\u003cp\u003eFerrous Sulfate 20% Iron is a high-purity ferrous sulfate heptahydrate (FeSO₄·7H₂O) supplying 20% soluble iron and 12% sulfur — a fast-acting, versatile single-ingredient amendment for correcting iron deficiency, supporting soil pH reduction, and managing lawn moss.\u003c\/p\u003e\n\u003cp\u003eIron deficiency (interveinal chlorosis — yellow tissue between green veins on new leaves) is usually a solubility problem rather than a supply problem: above roughly pH 7.0, soil iron converts to forms roots cannot absorb. Ferrous sulfate supplies iron already in the plant-available Fe²⁺ form, so foliar applications can produce visible green-up in new growth within days, and the oxidation chemistry that follows soil application gradually lowers root-zone pH — faster than elemental sulfur, which depends on slower microbial activity. It dissolves completely for foliar spray and soil application and also serves as an iron source for lawn moss management.\u003c\/p\u003e\n\u003cp\u003eFerrous sulfate works best in acidic to neutral soils; in persistently alkaline or free-lime calcareous soils a chelated iron source is more reliable, and it is not preferred for recirculating hydroponic systems, where Fe²⁺ precipitates out of solution. Important handling note: ferrous sulfate stains concrete, brick, stone, and fabric rust-brown on contact — sweep granules off hardscape immediately and rinse spray drift before it dries. Apply foliar sprays in cool conditions, wear gloves, and store sealed and dry, away from metal containers.\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":1556793985,"sku":"701748874129","price":19.99,"currency_code":"USD","in_stock":true},{"title":"2 Pounds","offer_id":1556794049,"sku":"701748874136","price":22.99,"currency_code":"USD","in_stock":true},{"title":"3 Pounds","offer_id":1556794113,"sku":"018227120289","price":26.99,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":1556794241,"sku":"701748874198","price":31.99,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":1556794305,"sku":"701748874204","price":49.99,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":1556794561,"sku":"018227120302","price":79.99,"currency_code":"USD","in_stock":true},{"title":"50 Pounds (or 2 x 25 pound bags)","offer_id":1556794625,"sku":"018227120296","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/files\/Ferrous_Sulfate_Fertilizer_-_Heptahydrate_-_20_Fe_-_1_Pound.png?v=1782246058"},{"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":"organic-manganese-sulfate-fertilizer","title":"Organic Manganese Sulfate Fertilizer","description":"\u003cp\u003eManganese Sulfate Fertilizer is a high-purity manganese sulfate monohydrate (MnSO₄·H₂O) micronutrient supplying 31% elemental manganese and 18% sulfur — one of the most concentrated, fully water-soluble manganese sources available for preventing and correcting manganese deficiency.\u003c\/p\u003e\n\u003cp\u003eManganese is an essential micronutrient: it sits at the center of the water-splitting complex in photosynthesis and acts as a cofactor for more than 30 plant enzymes involved in nitrogen metabolism, carbohydrate transport, and chlorophyll function. Because manganese is immobile in the plant, deficiency shows first on the youngest leaves as interveinal chlorosis — and it is common in high-pH, calcareous, sandy, or over-limed soils where manganese availability drops sharply. This product is widely used on palms, citrus and fruit trees, vegetables, berries, field crops, turfgrass, and hydroponic systems, and dissolves cleanly for soil, fertigation, and foliar application.\u003c\/p\u003e\n\u003cp\u003eConfirm need with a soil or tissue test before applying — manganese sulfate works best in acidic to neutral soils, while above roughly pH 7.5 a chelated form performs better. Do not tank-mix with glyphosate; apply the two at least three days apart. Wear eye protection and minimize dust when handling, 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. The 50 lb size is repackaged from OMRI Listed® material; other sizes are CDFA registered but not repackaged from OMRI Listed® material.\u003c\/p\u003e","brand":"Greenway Biotech, Inc.","offers":[{"title":"1 Pound","offer_id":1557286273,"sku":"701748874563","price":19.99,"currency_code":"USD","in_stock":true},{"title":"2 Pounds","offer_id":1557286337,"sku":"701748874426","price":24.99,"currency_code":"USD","in_stock":true},{"title":"3 Pounds","offer_id":1557286401,"sku":"701748873610","price":29.99,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":1557286529,"sku":"018227120494","price":49.99,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":1557286593,"sku":"701748874570","price":69.99,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":1557286785,"sku":"018227120500","price":109.99,"currency_code":"USD","in_stock":true},{"title":"50 Pounds (or 2 x 25 pound bags)","offer_id":1557286849,"sku":"018227120517","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/products\/Mangenese_Sulfate_Organic.JPG?v=1711585790"},{"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. Each pound supplies about 7.4 ounces of actual nitrogen, more than double ammonium sulfate and roughly triple calcium nitrate, so less product is needed to spread, store, and ship.\u003c\/p\u003e\n\u003cp\u003eNitrogen is the nutrient plants need in the largest quantity, forming the backbone of chlorophyll and driving green-up and vegetative growth. Once applied to moist soil, urea converts to plant-available ammonium and nitrate. It works across lawns and turf, vegetable gardens, fruit trees, and field crops, and dissolves cleanly for soil drench and fertigation through drip and sprinkler systems.\u003c\/p\u003e\n\u003cp\u003eApply to soil and water in promptly, since surface urea can lose nitrogen to the air within a day or two. Keep prills a few inches away from seeds, stems, and trunks, and do not apply to wet foliage or drought-stressed plants. Standard urea is not intended for foliar spraying. 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":"monoammonium-phosphate-12-61-0-100-water-soluble","title":"Monoammonium Phosphate Fertilizer 12-61-0","description":"\u003cp\u003eMonoammonium Phosphate (MAP) 12-61-0 is a technical-grade, 100% water-soluble fertilizer and one of the most concentrated water-soluble phosphorus sources available. 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 phosphorus-forward 4-7-5 ratio puts available phosphate (P₂O₅) ahead of nitrogen to support flower bud initiation and root development, while moderate nitrogen helps avoid the leggy, foliage-heavy growth that high-nitrogen blends can produce.\u003c\/p\u003e\n\u003cp\u003eThe formula combines six sources — fish bone meal, bone meal, feather meal, alfalfa meal, kelp meal, and Azomite volcanic ash — releasing nutrients at different rates as soil microbes break them down. Azomite and kelp contribute a wide range of trace minerals, and bone meal adds calcium for stem strength and fruit nutrition. Burn risk is low compared with fast-release synthetic salts.\u003c\/p\u003e\n\u003cp\u003eWork ¼ cup per square foot (or ½–1 cup per established rose bush) into the top 2–3 inches of soil at the drip line, then water deeply; reapply every 4–6 weeks during the growing season.\u003c\/p\u003e\n\u003cp\u003eCDFA registered, blended from OMRI Listed® source materials, and independently lab tested for heavy metals, with results consistently well below required limits. 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