Collection: Fertigation 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 -
Peaceful Valley Organic Liquid Kelp
Regular price $8.99Sale $8.99Unit 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 -
Limestone Microna Ag H2O (50 lb)
Regular price $21.99Sale $21.99Unit 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 -
Maxicrop Kelp Extract
Regular price $24.99Sale $24.99Unit price per -
Liquid Plant Food 3-3-2 (Quart)
Regular price $23.99Sale $23.99Unit price per -
Epsom Salts (50 lb)
Regular price $59.99Sale $59.99Unit price per -
AgroThrive General Purpose Fertilizer (5 gal)
Regular price $89.99Sale $89.99Unit 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 -
Fish & Seaweed Fertilizer 2-3-1
Regular price $27.99Sale $27.99Unit price per -
Organic 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 Organic 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 -
Limestone Microna Ag H2O (5 lb bag)
Regular price $9.99Sale $9.99Unit price per -
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Phytamin Fish Plus, 4.5-2-1 (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 -
Tomato & Veg Fertilizer 2-4-2
Regular price $32.99Sale $32.99Unit price per -
Rose & Flowering Fertilizer 2-6-4
Regular price $32.99Sale $32.99Unit price per
Collection: Fertilize Through Your Irrigation System
Fertilizers for Fertigation Systems
Shop liquid and fully soluble fertilizers intended for injection through compatible irrigation systems. Products range from complete formulas to targeted nutrients for garden, greenhouse and field applications.
How to Choose
Confirm solubility, injector compatibility, dilution, water quality and filtration requirements. Do not inject products containing insoluble particles unless the equipment and label specifically allow it.
Browse fertilizer injectors, water-soluble fertilizers and drip irrigation supplies.