Collection: Water-Soluble Fertilizers
Compare products by nutrient analysis, formulation, application method and label directions.
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Diamond K Solution Grade Gypsum (50 lb)
Regular price $17.99Sale $17.99Unit price per -
Sulfate of Potash Ultrafines - Diamond K Soluble 0-0-50 (50 lb)
Regular price $49.99Sale $49.99Unit price per -
Bat Guano Hi N 7-3-1 (2 lb)
Regular price $16.99Sale $16.99Unit price per -
Zinc Sulfate Powder (50 lb)
Regular price $89.99Sale $89.99Unit price per -
Manganese Sulfate 31% Powder (50 lb)
Regular price $89.99Sale $89.99Unit price per -
Aqua Power (1 Gallon)
Regular price $21.99Sale $21.99Unit price per -
Iron Sulfate 20 (50 lb)
Regular price $43.99Sale $43.99Unit price per -
AgroThrive Organic General Purpose Fertilizer (1 gal)
Regular price $35.99Sale $35.99Unit price per -
Phos Fish 1-7-0 (Quart)
Regular price $15.99Sale $15.99Unit price per -
Fertibor Boron (50 lb)
Regular price $64.99Sale $64.99Unit price per$0.00Regular price -
Phos Fish 1-7-0 (Gallon)
Regular price $40.99Sale $40.99Unit price per -
Activate 80 Micronized Humate (30 lb)
Regular price $104.99Sale $104.99Unit price per -
Monterey Epsom Salts (4 lb)
Regular price $13.99Sale $13.99Unit price per -
Maxicrop Kelp Extract
Regular price $24.99Sale $24.99Unit price per -
Epsom Salts (50 lb)
Regular price $59.99Sale $59.99Unit price per -
Manganese Sulfate 31% Powder (5 lb bag)
Regular price $14.99Sale $14.99Unit price per -
Zinc Sulfate Powder (25 lb bag)
Regular price $54.99Sale $54.99Unit price per$0.00Regular priceQualifies for free shipping -
Arber Plant Food
Regular price $26.99Sale $26.99Unit price per -
Phos Fish 1-7-0 (5 Gallon)
Regular price $160.99Sale $160.99Unit price per -
Crab & Lobster Shell Fertilizer 5-3-0 (4 lb)
Regular price $26.99Sale $26.99Unit price per -
Aqua Power (55 gal)
Regular price $705.99Sale $705.99Unit price per -
Liquid Humate 12%
Regular price $24.99Sale $24.99Unit price per -
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Phytamin Fish Plus, 4.5-1-1 (5 Gallon)
Regular price $155.99Sale $155.99Unit price per -
True Organic Liquid All-Purpose Plant Food 16 oz
Regular price $8.99Sale $8.99Unit price per -
Sold outRaw Cane Molasses 0-0-1 (8 oz)
Regular price $19.99Sale $19.99Unit price per -
Sold outTomato & Veg Fertilizer 2-4-2
Regular price $32.99Sale $32.99Unit price per -
AgroThrive General Purpose Fertilizer (5 gal)
Regular price $89.99Sale $89.99Unit price per -
Kelzyme Calcium CAFE Micronized (35 lb pail)
Regular price $121.99Sale $121.99Unit price per
Water-Soluble Fertilizers
Shop dry fertilizers designed to dissolve in water for root-zone feeding, irrigation injection or label-permitted foliar application. Products include balanced formulas and targeted nutrient blends for garden and farm use.
Choosing and Applying
Confirm solubility, mixing order, dilution rate and equipment compatibility. Keep insoluble materials out of injectors and follow the label to reduce clogging or plant injury.
Compare liquid fertilizers, fertigation fertilizers and foliar products.