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.

  • Potassium Sulfate 0-0-53 fertilizer 20 lb.
    SOP 3IX 0-0-53 Crystalline Potassium Sulfate 20 lb
    SOP 3IX 0-0-53 Crystalline Potassium Sulfate 20 lb
    $33.94
    $0.00 $33.94
    $1.70 lb
  • Cannabis Bloom Formula 0-20-42 fertilizer 4lb.
    MasterBlend 0-20-42 Bloom Formula 4 lb.
    Grower Price
    MasterBlend 0-20-42 Bloom Formula 4 lb.
    $20.98
    $25.18 $20.98
    $5.25 lb
    Grower Price
  • Ferti-Nitro Plus Organic Nitrogen 13.62-0-0 - 1 lb Ferti-Nitro Plus Organic Nitrogen 13.62-0-0 - 1 lb
    Ferti-Nitro Plus Organic Nitrogen 13.62-0-0 - 1 lb
    Ferti-Nitro Plus Organic Nitrogen 13.62-0-0 - 1 lb
    $16.22
    $0.00 $16.22
    $16.22 lb
  • Calcium Carbonate 50 lb.
    Calcium Carbonate 50 lb.
    Grower Price
    Calcium Carbonate 50 lb.
    $16.62
    $21.50 $16.62
    $0.33 lb
    Grower Price
  • Potassium Carbonate 50lb.
    DCAD Plus Potassium Carbonate 0-0-57 | 50 lb
    Grower Price
    DCAD Plus Potassium Carbonate 0-0-57 | 50 lb
    $96.43
    $120.35 $96.43
    $1.93 lb
    Grower Price
  • Ferti-Organic Soluble Seaweed Extract 0-0-14 - 4 lb Ferti-Organic Soluble Seaweed Extract 0-0-14 - 4 lb
    Ferti-Organic Soluble Seaweed Extract 0-0-14 - 4 lb
    Ferti-Organic Soluble Seaweed Extract 0-0-14 - 4 lb
    $37.80
    $0.00 $37.80
    $9.45 lb
  • Ferti-Organic Soluble Humic Acid 0-0-7 - 4 lb Ferti-Organic Soluble Humic Acid 0-0-7 - 4 lb
    Ferti-Organic Soluble Humic Acid 0-0-7 - 4 lb
    Ferti-Organic Soluble Humic Acid 0-0-7 - 4 lb
    $27.50
    $0.00 $27.50
    $6.88 lb
  • Manganese EDTA chelate 13% Mn 20 lb white pail with Custom Hydro Nutrients logo Manganese EDTA Chelate infographic — 13% Mn, EDTA chelated pH stable 3-10, hydroponic fertigation and foliar application rates
    Manganese EDTA Chelate | 13% Mn 20 lb
    Manganese EDTA Chelate | 13% Mn 20 lb
    $152.80
    $0.00 $152.80
    $7.64 lb
  • Calcium Nitrate Greenhouse Grade 1 lb. Calcium Nitrate 15.5-0-0 | 1 lb
    Calcium Nitrate 15.5-0-0 | 1 lb
    Calcium Nitrate 15.5-0-0 | 1 lb
    $2.26
    $0.00 $2.26
    $2.26 lb
  • CalPhos soft rock phosphate standard powder 50 lb. brown kraft paper bag — 0-3-0 organic phosphorus and calcium by Canton Mills CalPhos POWDER 50 lb.
    CalPhos POWDER 50 lb.
    CalPhos POWDER 50 lb.
    $18.94
    $18.94
    $0.38 lb
  • Manganese Sulfate fertilizer 4 lb.
    Manganese Sulfate fertilizer 4 lb.
    Manganese Sulfate fertilizer 4 lb.
    $11.70
    $0.00 $11.70
    $2.93 lb
  • Sprint 330 10% Iron DTPA chelated fertilizer 5 lb.
    Sprint 330 10% Iron DTPA chelated fertilizer 5...
    Sold out
    Sprint 330 10% Iron DTPA chelated fertilizer 5...
    $87.10
    $102.90 $87.10
    Sold out
  • ICL PeaK MKP 20 lb. MKP Mono-Potassium Phosphate 20 lb
    MKP Mono-Potassium Phosphate 20 lb
    Grower Price
    MKP Mono-Potassium Phosphate 20 lb
    $47.28
    $94.56 $47.28
    $2.36 lb
    Grower Price
  • Monoammonium Phosphate 12-61-0 fertilizer 4 lb.
    Monoammonium Phosphate 12-61-0 fertilizer 4 lb.
    Monoammonium Phosphate 12-61-0 fertilizer 4 lb.
    $20.96
    $0.00 $20.96
    $5.24 lb
  • Bag of Haifa Cal Prime calcium nitrate fertilizer on a white background White bag with green text and safety symbols on a white background
    Haifa Cal Prime 17-0-0 calcium nitrate fertilizer 55...
    Grower Price
    Haifa Cal Prime 17-0-0 calcium nitrate fertilizer 55...
    $41.75
    $66.00 $41.75
    $0.76 lb
    Grower Price
  • Sodium Molybdate fertilizer 4 lb.
    Sodium Molybdate fertilizer 4 lb.
    Grower Price
    Sodium Molybdate fertilizer 4 lb.
    $154.08
    $192.60 $154.08
    $38.52 lb
    Grower Price

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