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-Corn Steep Powder 6-7-7 fertilizer 20 lb. Ferti-Corn Steep Powder 6-7-7 Organic NPK - 20 lb
    Ferti-Corn Steep Powder 6-7-7 Organic NPK - 20...
    Grower Price
    Ferti-Corn Steep Powder 6-7-7 Organic NPK - 20...
    $71.75
    $100.00 $71.75
    $3.59 lb
    Grower Price
  • Haifa Multi-K RECI Potassium Nitrate 55 lb Haifa Multi-K RECI Potassium Nitrate 55 lb
    Haifa Multi-K RECI Potassium Nitrate 55 lb
    Grower Price
    Haifa Multi-K RECI Potassium Nitrate 55 lb
    $53.48
    $82.76 $53.48
    $0.97 lb
    Grower Price
  • Sprint 138 6% Iron EDDHA chelated fertilizer 5 lb.
    Sprint 138 6% Iron EDDHA chelated fertilizer 5...
    Sold out
    Sprint 138 6% Iron EDDHA chelated fertilizer 5...
    $152.29
    $229.00 $152.29
    Sold out
  • Ammonium Sulfate 20 LB Ammonium Sulfate 20 LB
    Ammonium Sulfate 20 LB
    Ammonium Sulfate 20 LB
    $18.75
    $0.00 $18.75
  • Peters Professional S.T.E.M. 25 lb. Peters Professional S.T.E.M. 25 lb.
    Peters Professional S.T.E.M. 25 lb.
    Sold out
    Peters Professional S.T.E.M. 25 lb.
    $86.20
    $129.60 $86.20
    Sold out
  • Calcium EDTA chelated 9.7% 1 lb.
    Calcium EDTA chelated 9.7% 1 lb.
    Calcium EDTA chelated 9.7% 1 lb.
    $12.26
    $0.00 $12.26
  • Magnesium Sulfate 1 lb.
    Magnesium Sulfate 1 lb.
    Magnesium Sulfate 1 lb.
    $1.85
    $0.00 $1.85
  • Hortus IBA Water Soluble Salts 0.25Kg Hortus IBA rooting hormones
    Hortus IBA | 250g
    Grower Price
    Hortus IBA | 250g
    $215.46
    $270.00 $215.46
    Grower Price
  • Hortus IBA Water Soluble Salts 100 grams Hortus IBA rooting hormones
    Hortus IBA | 100g
    Grower Price
    Hortus IBA | 100g
    $97.65
    $126.00 $97.65
    Grower Price
  • Boric acid powder 99.9% pure 4 lb resealable screw-top jar with Custom Hydro Nutrients logo Boric acid 99.9% 4 lb.
    Boric Acid Powder | 99.9% Pure 4 lb
    Boric Acid Powder | 99.9% Pure 4 lb
    $22.87
    $0.00 $22.87
  • Ferti-Fulvic Plus 90% Fulvic Acid 20 lb. Ferti-Fulvic Plus 90% Fulvic Acid - 20 lb
    Ferti-Fulvic Plus 90% Fulvic Acid - 20 lb
    Ferti-Fulvic Plus 90% Fulvic Acid - 20 lb
    $123.60
    $0.00 $123.60
    $6.18 lb
  • peters hydroponic finisher 25 pound bag Peters Professional 0-15-30 Hydroponic Finisher - 25 lb
    Peters Professional 0-15-30 Hydroponic Finisher - 25 lb
    Grower Price
    Peters Professional 0-15-30 Hydroponic Finisher - 25 lb
    $65.64
    $102.86 $65.64
    $2.63 lb
    Grower Price
  • PeKacid 0-60-20 Fertilizer 55 lb. PeKacid 0-60-20 Fertilizer 55 lb. backside
    PeKacid 0-60-20 Fertilizer 55 lb.
    Grower Price
    PeKacid 0-60-20 Fertilizer 55 lb.
    $101.55
    $161.50 $101.55
    $1.85 lb
    Grower Price
  • Zinc EDTA chelate 15% Zn 20 lb white pail with Custom Hydro Nutrients logo Zinc EDTA Chelate infographic — 15% Zn, chelated formula, hydroponic fertigation and foliar application rates
    Zinc EDTA Chelate | 15% Zn 20 lb
    Zinc EDTA Chelate | 15% Zn 20 lb
    $172.00
    $0.00 $172.00
  • VanSil wollastonite calcium silicate 4 lb clear ziplock bag with white mineral granules VanSil Wollastonite Calcium Silicate 4 lb
    VanSil Wollastonite Calcium Silicate 4 lb
    VanSil Wollastonite Calcium Silicate 4 lb
    $7.45
    $0.00 $7.45
    $1.86 lb
  • Haifa GrowClean 5-31-40 polyphosphate fertilizer 55 lb. Haifa GrowClean fertilizer 55 lb. bag-BACK
    Haifa GrowClean 5-31-40 polyphosphate fertilizer 55 lb.
    Sold out
    Haifa GrowClean 5-31-40 polyphosphate fertilizer 55 lb.
    $129.05
    $161.00 $129.05
    Sold out

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