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Items 1-16 of 77
  1. Chelated Copper EDTA Fertilizer - 14% Cu
    Chelated 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. Copper is...
    From $ 32.99
  2. Tomato Fertilizer 4-18-38 | Chelated Micronutrients | Hydroponics, Soil & Foliar Application
    Tomato Fertilizer 4-18-38 is a premium, 100% water-soluble fertilizer formulated for the flowering-through-harvest window of fruiting nightshade crops. The low-nitrogen, high-phosphate, very-high-potassium ratio is tuned to fruit development rather than leafy growth, with EDTA-chelated iron, manganese, zinc, and copper plus boron and molybdenum in every bag. Potassium supports fruit sizing, sugar...
    From $ 24.99
  3. Cucumber Fertilizer 8-16-36 | Chelated Micronutrients | Hydroponics, Soil & Foliar Application
    Cucumber Fertilizer 8-16-36 is a premium, 100% water-soluble formula engineered for cucumbers, melons, squash, pumpkins, zucchini, and all cucurbit vine crops. The very high 36% soluble potash, enhanced 16% available phosphate, and controlled 8% nitrogen are tuned to the demand profile of fruiting cucurbits, with EDTA-chelated iron, manganese, zinc, and copper...
    From $ 24.99
  4. Lettuce Fertilizer 8-15-36 | Chelated Micronutrients | Hydroponics, Soil & Foliar Application
    Lettuce 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...
    From $ 24.99
  5. Pepper and Herb Fertilizer 11-11-40 | Chelated Micronutrients | Hydroponics, Soil & Foliar Application
    Pepper & Herb Fertilizer 11-11-40 is a premium, 100% water-soluble fertilizer formulated for the fruiting window in peppers and the harvest window in culinary herbs. The balanced 11% nitrogen and 11% available phosphate paired with very high 40% soluble potash supports fruit quality while sustaining the canopy through long fruiting cycles,...
    From $ 24.99
  6. Strawberry Fertilizer 8-12-32 | Chelated Micronutrients | Hydroponics, Soil & Foliar Application
    Strawberry Fertilizer 8-12-32 is a premium, 100% water-soluble specialty formula built specifically for strawberries — June-bearing, everbearing, and day-neutral. The moderate 8% nitrogen, enhanced 12% available phosphate, and very high 32% soluble potash are tuned to the strawberry's fruiting window, with EDTA-chelated iron, manganese, zinc, and copper plus boron and molybdenum....
    From $ 24.99
  7. Organic Ferrous Sulfate (Iron Sulfate) | 20% Iron (Fe)
    Ferrous 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. Iron deficiency (interveinal chlorosis — yellow tissue between green veins on new leaves) is usually a solubility...
    From $ 19.99
  8. Chelated Zinc EDTA Fertilizer
    Chelated 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...
    From $ 29.99
  9. Feather Meal Fertilizer 12-0-0
    Organic Feather Meal 12-0-0 is a slow-release organic nitrogen fertilizer made from hydrolyzed poultry feathers. 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. Because the nitrogen must...
    From $ 24.99
  10. Organic Elemental Sulfur Powder
    Organic 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. Elemental sulfur is not directly acidic — soil bacteria...
    From $ 21.99
  11. Copper Sulfate Crystals
    Copper Sulfate Crystals 99% Pure is a high-purity copper sulfate pentahydrate (CuSO₄·5H₂O) in a fully water-soluble crystalline form. Lab tested at 99% purity with no fillers or binders, it delivers a predictable, consistent copper concentration per measured dose — important for applications where accurate dosing matters. It is one of the most versatile...
    From $ 21.99
  12. Chelated Iron DTPA Fertilizer
    Chelated Iron DTPA 11% is a 100% water-soluble iron fertilizer that corrects iron chlorosis in neutral to moderately alkaline conditions. 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...
    From $ 31.99
  13. Blossom Green Fertilizer 2-6-8
    Blossom Green 2-6-8 is a dry, 100% water-soluble hydroponic bloom fertilizer formulated for the flowering and fruiting stage. Its 2-6-8 NPK keeps nitrogen at a maintenance level while loading available phosphate (P₂O₅) and soluble potash (K₂O) — the two nutrients flowering plants demand most. Phosphorus supports bud initiation, flower density, and energy...
    From $ 24.99
  14. Magnesium Nitrate Fertilizer 11-0-0
    Magnesium 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. Magnesium is the...
    From $ 26.99
  15. Urea Fertilizer 46-0-0
    Urea 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...
    From $ 18.99