Fertilizers

  • Amendments & Growing Media

    Amendments

    Soil Amendments & Growing MediaHealthy soil and growing media are the foundation...

    Amendments

  • BioStimulants

    BioStimulants

    Plant Biostimulants & Growth EnhancersBiostimulants are substances and microorganisms that improve plant...

    BioStimulants

  • Specialty Crop Fertilizers

    Professional-Grade Fertilizers Formulated for Specialty Crops Give your plants the precise nutrition...

    Specialty Crop Fertilizers

  • Foliar Fertilizer Supplies

    Foliar Fertilizer Supplies

    Everything You Need to Run an Effective Foliar ProgramCustom Hydro stocks a...

    Foliar Fertilizer Supplies

  • Liquid Fertilizers

    Liquid Fertilizers

    Blended Liquid Fertilizer ConcentratesLiquid fertilizer concentrates offer convenience and precision for hydroponic,...

    Liquid Fertilizers

  • Organic Fertilizers

    Organic Fertilizers

    Dry Organic & Natural Mineral FertilizersCustom Hydro stocks a full range of...

    Organic Fertilizers

  • Schedule Consultation

    Schedule Consultation

    Schedule a Fertilizer & Hydroponics ConsultationGet expert, one-on-one guidance from Custom Hydro...

    Schedule Consultation

  • Preservatives

    Stock Solution Preservatives

    Preservatives for Fertilizer Solutions & Hydroponic ReservoirsMicrobial contamination in fertilizer stock solutions...

    Stock Solution Preservatives

  • Water Soluble Fertilizers

    Water Soluble Fertilizers

    Maximum Yields with Pure Water Soluble Fertilizers Pure Mineral Fertilizers and Pre-Mixed...

    Water Soluble Fertilizers

Custom Hydro stocks a full selection of water soluble and organic fertilizers and plant bio-stimulants.

Get the perfect fertilizer solution for your growing needs with Custom Hydro! From Canna+ to lettuce to pepper, our wide selection of water soluble and organic fertilizers and plant bio-stimulants will ensure that commercial and hobby growers have just what they need for hydroponics, fertigation and foliar applications.

  • Ferti-Nitro Plus Fertilizer 20lb. Ferti-Nitro Plus Organic Nitrogen 13.62-0-0 - 20 lb
    Ferti-Nitro Plus Organic Nitrogen 13.62-0-0 - 20 lb
    Ferti-Nitro Plus Organic Nitrogen 13.62-0-0 - 20 lb
    $162.50
    $0.00 $162.50
    $8.13 lb
  • MasterBlend 4-18-38 Tomato Formula 4 lb. white screw-top jar with blue and white label on clean white background A closeup view of a small pile of MasterBlend 4-18-38 hydroponic tomato fertilizer powder.
    MasterBlend 4-18-38 Tomato Formula 4 lb.
    MasterBlend 4-18-38 Tomato Formula 4 lb.
    $15.65
    $0.00 $15.65
    $3.91 lb
  • REXOLIN Calcium EDTA fertilizer 55 lb.
    REXOLIN Calcium EDTA fertilizer 55 lb.
    Grower Price
    REXOLIN Calcium EDTA fertilizer 55 lb.
    $392.92
    $545.72 $392.92
    Grower Price
  • Manganese Sulfate Soluble Fertilizer Powder 55 lb. Tecmangam Manganese Sulfate Soluble Powder | 32% Mn 55 lb
    Tecmangam Manganese Sulfate Soluble Powder | 32% Mn...
    Grower Price
    Tecmangam Manganese Sulfate Soluble Powder | 32% Mn...
    $111.20
    $138.80 $111.20
    Grower Price
  • 5-11-26 Hydroponic Special fertilizer 1 lb white plastic jar — chelated trace elements, for hydroponics, tomatoes, cucumbers, lettuce 5-11-26 Hydroponic Special fertilizer infographic — 5% N, 11% P, 26% K, chelated trace elements, for hydroponics, tomatoes, cucumbers, lettuce
    5-11-26 Hydroponic Special fertilizer 1 lb.
    5-11-26 Hydroponic Special fertilizer 1 lb.
    $11.55
    $0.00 $11.55
    $11.55 lb
  • Solution Grade Gypsum 1 lb ziplock bag — calcium sulfate fertilizer by Custom Hydro Nutrients Calcium Sulfate, Solution Grade GYPSUM 1 lb.
    Solution Grade Gypsum 1 lb. | Calcium Sulfate
    Solution Grade Gypsum 1 lb. | Calcium Sulfate
    $2.75
    $0.00 $2.75
  • Haifa MAP 12-61-0 fertilizer
    Haifa MAP 12-61-0 fertilizer 55 lb. bag
    Sold out
    Haifa MAP 12-61-0 fertilizer 55 lb. bag
    $62.55
    $104.20 $62.55
    $1.14 lb
    Sold out
  • 13-0-0 Calcium Nitrate Fertilizer (ammonium free) 1 lb. PureCal 13-0-0 Ammonium-Free Calcium Nitrate Fertilizer | 1 lb Jar
    PureCal 13-0-0 Ammonium-Free Calcium Nitrate Fertilizer | 1...
    Sold out
    PureCal 13-0-0 Ammonium-Free Calcium Nitrate Fertilizer | 1...
    $2.28
    $0.00 $2.28
    Sold out
  • Zinc Nacional Maximo 360 zinc sulfate powder packaging on a white background Maximo 360 zinc sulfate powder
    Maximo 360 Zinc Sulfate Monohydrate | OMRI 50...
    Maximo 360 Zinc Sulfate Monohydrate | OMRI 50...
    $72.17
    $0.00 $72.17
  • Hormodin No. 3
    Hormodin No. 3
    Grower Price
    Hormodin No. 3
    $32.25
    $48.50 $32.25
    Grower Price
  • 5-31-40 POLYPHOSPHATE FERTILIZER 4 lb.
    5-31-40 POLYPHOSPHATE FERTILIZER 4 lb.
    Sold out
    5-31-40 POLYPHOSPHATE FERTILIZER 4 lb.
    $23.90
    $0.00 $23.90
    Sold out
  • Zinc EDTA 14% 8 ounces
    Zinc EDTA 15% 8 ounces
    Zinc EDTA 15% 8 ounces
    $10.75
    $0.00 $10.75
  • Nature's Source 10-4-3 fertilizer 4.7 gallon
    Nature's Source 10-4-3 fertilizer 4.7 gallon
    Nature's Source 10-4-3 fertilizer 4.7 gallon
    $60.52
    $60.52
  • Source Water Test
    Irrigation Source Water Lab Test
    Irrigation Source Water Lab Test
    $49.00
    $49.00
  • Zinc sulfate monohydrate 20 lb white resealable plastic pail with Custom Hydro Nutrients logo Zinc Sulfate fertilizer 20lb.
    Zinc Sulfate Monohydrate | 35.5% Zn 20 lb...
    Zinc Sulfate Monohydrate | 35.5% Zn 20 lb...
    $31.00
    $0.00 $31.00
  • Monoammonium Phosphate 12-61-0 fertilizer 1 lb.
    Monoammonium Phosphate 12-61-0 fertilizer 1 lb.
    Monoammonium Phosphate 12-61-0 fertilizer 1 lb.
    $10.92
    $0.00 $10.92

Serving Arkansas, Kansas, Missouri and Oklahoma. Shipping Nationwide! Wholesale to the public!