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.

  • CalPhos soft rock phosphate granular 20 lb. box — 0-3-0 organic phosphorus and calcium by Custom Hydro CalPhos Soft Rock Phosphate GRANULAR 20 lb.
    CalPhos Soft Rock Phosphate GRANULAR 20 lb.
    CalPhos Soft Rock Phosphate GRANULAR 20 lb.
    $13.25
    $13.25
    $0.66 lb
  • Hortus IBA Water Soluble Salts 1Kg Hortus IBA | 1kg
    Hortus IBA | 1kg
    Grower Price
    Hortus IBA | 1kg
    $520.51
    $540.00 $520.51
    Grower Price
  • Boric Acid Powder | 99.9% Pure 55 lb Bag Boric Acid Powder | 99.9% Pure 55 lb Bag
    Boric Acid Powder | 99.9% Pure 55 lb...
    Grower Price
    Boric Acid Powder | 99.9% Pure 55 lb...
    $83.38
    $100.46 $83.38
    Grower Price
  • Manganese EDTA 13% 8 ounces
    Manganese EDTA 13% 8 ounces
    Manganese EDTA 13% 8 ounces
    $10.54
    $0.00 $10.54
  • Citric acid anhydrous 50 lb bag front view — OMRI listed and Non-GMO Project verified certification badges, food-grade label Citric Acid Anhydrous 50 lb.
    Citric Acid Anhydrous 50 lb.
    Citric Acid Anhydrous 50 lb.
    $99.42
    $99.42
    $1.99 lb
  • Sil-MATRIX LC - Soluble Potassium Silicate 2.5 gallon Sil-MATRIX Potassium Silicate specification sheet page 1
    Sil-MATRIX LC Potassium Silicate 2.5 Gallon
    Grower Price
    Sil-MATRIX LC Potassium Silicate 2.5 Gallon
    $86.69
    $93.85 $86.69
    Grower Price
  • Potassium Chloride 4 lb.
    Potassium Chloride 4 lb.
    Potassium Chloride 4 lb.
    $10.15
    $0.00 $10.15
  • Solubor boron fertilizer 20.5% B 20 lb white pail with Custom Hydro Nutrients logo Solubor boron fertilizer 20 lb.
    Solubor Boron Fertilizer | 20.5% B 20 lb
    Solubor Boron Fertilizer | 20.5% B 20 lb
    $70.50
    $0.00 $70.50
  • Haifa Cal Prime 17-0-0 calcium nitrate 4 lb white plastic jar — 23.5% Ca, for foliar spray and fertigation Haifa Cal Prime 4 lb.
    Haifa Cal Prime 4 lb.
    Grower Price
    Haifa Cal Prime 4 lb.
    $17.45
    $24.44 $17.45
    $4.36 lb
    Grower Price
  • Oxychem potassium hydroxide flake caustic potash 50 lb.
    OxyChem Potassium Hydroxide Caustic Potash 50 lb
    Grower Price
    OxyChem Potassium Hydroxide Caustic Potash 50 lb
    $129.68
    $175.00 $129.68
    Grower Price
  • Sulfate of Potash 0-0-51 Greenhouse Grade 1 lb. Sulfate of Potash 0-0-51 Greenhouse Grade 1 lb.
    Sulfate of Potash 0-0-51 Greenhouse Grade 1 lb.
    Sulfate of Potash 0-0-51 Greenhouse Grade 1 lb.
    $9.47
    $0.00 $9.47
    $9.47 lb
  • Peters Professional 14-0-8 Hydroponic Boost - 25lb Peters Professional Hydroponic Boost fertilizer small white granules on a light gray background
    Peters Professional 14-0-8 Hydroponic Boost - 25 lb
    Grower Price
    Peters Professional 14-0-8 Hydroponic Boost - 25 lb
    $45.93
    $75.30 $45.93
    $1.84 lb
    Grower Price
  • Iron Sulfate Heptahydrate 4 lb. jar
    Iron Sulfate Heptahydrate 4 lb. jar
    Iron Sulfate Heptahydrate 4 lb. jar
    $7.90
    $0.00 $7.90
  • Monoammonium Phosphate fertilizer 40 lb.
    Monoammonium Phosphate fertilizer 40 lb.
    Monoammonium Phosphate fertilizer 40 lb.
    $110.00
    $0.00 $110.00
  • Vermiculite Coarse A-3 - 4 cubic foot bag Vermiculite Coarse A-3 - 4 cubic foot bag
    Vermiculite Coarse A-3 - 4 cubic foot bag
    Grower Price
    Vermiculite Coarse A-3 - 4 cubic foot bag
    $40.70
    $53.55 $40.70
    Grower Price
  • Hormodin No. 2 Rooting Powder
    Hormodin No. 2
    Grower Price
    Hormodin No. 2
    $41.63
    $62.60 $41.63
    Grower Price

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