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.

  • Chelated Liquid Soluble Trace Element Mix 1 quart
    Chelated Liquid Soluble Trace Element Mix 1 quart
    $21.40
    $0.00 $21.40
  • Potassium Carbonate 1lb.
    Potassium Carbonate 0-0-57 | 1 lb
    Potassium Carbonate 0-0-57 | 1 lb
    $10.85
    $0.00 $10.85
  • Haifa Micro Iron DTPA 11% Haifa Micro™ Iron DTPA 11% (25 kg)
    Haifa Micro™ Iron DTPA 11% (25 kg)
    Sold out
    Haifa Micro™ Iron DTPA 11% (25 kg)
    $341.69
    $450.00 $341.69
    $6.20 lb
    Sold out
  • Metalosate Iron Organic 5 lb amino acid chelated foliar iron fertilizer USDA organic Metalosate Iron Organic 5 lb.
    Metalosate Iron Organic 5 lb.
    Grower Price
    Metalosate Iron Organic 5 lb.
    $96.91
    $143.80 $96.91
    Grower Price
  • BEYOND All Natural Plant Amendment 16 fl. oz. BEYOND All Natural Plant Amendment 16 fl. oz.
    BEYOND All Natural Plant Amendment 16 fl. oz.
    BEYOND All Natural Plant Amendment 16 fl. oz.
    $50.00
    $0.00 $50.00
  • ODC Super Concentrate 18 fl. oz
    ODC Super Concentrate 18 fl. oz
    ODC Super Concentrate 18 fl. oz
    $249.95
    $0.00 $249.95
  • Haifa Cal Prime 17-0-0 calcium nitrate 1 lb white plastic jar — 23.5% Ca, for foliar spray and fertigation Haifa Cal Prime 1 lb.
    Haifa Cal Prime 1 lb.
    Grower Price
    Haifa Cal Prime 1 lb.
    $8.44
    $11.25 $8.44
    $8.44 lb
    Grower Price
  • Potassium Hydroxide flake caustic potash 20 lb.
    Potassium Hydroxide Flake 0-0-75 | 20 lb
    Grower Price
    Potassium Hydroxide Flake 0-0-75 | 20 lb
    $91.96
    $98.06 $91.96
    Grower Price
  • BioSafe Portable BioFoamer Tank, 2.6 gal
    BioSafe Portable BioFoamer Tank, 2.6 gal
    Grower Price
    BioSafe Portable BioFoamer Tank, 2.6 gal
    $402.41
    $660.70 $402.41
    Grower Price
  • Dissolvine Manganese EDTA 13% 55 lb.
    Dissolvine Manganese EDTA 13% 55 lb.
    Dissolvine Manganese EDTA 13% 55 lb.
    $257.16
    $257.16
  • Iron Sulfate Hi Yield 4 lb.
    Iron Sulfate Hi Yield 4 lb.
    Grower Price
    Iron Sulfate Hi Yield 4 lb.
    $10.30
    $15.00 $10.30
    Grower Price
  • Growing Media Test
    Soilless Growing Media Lab Test (SME)
    Soilless Growing Media Lab Test (SME)
    $49.00
    $0.00 $49.00
  • Potassium Chloride 1 lb.
    Potassium Chloride 1 lb.
    Potassium Chloride 1 lb.
    $7.75
    $0.00 $7.75
  • Non Ionic Surfactant quart
    Non Ionic Surfactant quart
    Non Ionic Surfactant quart
    $35.00
    $0.00 $35.00
  • Calcium Carbonate 1 lb.
    Calcium Carbonate 1 lb.
    Calcium Carbonate 1 lb.
    $0.91
    $0.00 $0.91
  • Pro-Mix HP Biofungicide Mycorrhizae - 3.8 cf
    Pro-Mix HP Biofungicide Mycorrhizae - 3.8 cf
    Grower Price
    Pro-Mix HP Biofungicide Mycorrhizae - 3.8 cf
    $58.76
    $83.64 $58.76
    Grower Price

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