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.

  • Hand nozzle assembly for BP-4 backpack sprayer
    Hand nozzle assembly for Dramm BP-4 backpack sprayer
    Grower Price
    Hand nozzle assembly for Dramm BP-4 backpack sprayer
    $115.00
    $160.00 $115.00
    Grower Price
  • White bag with a red label containing 'BRANDT Sequestar 11% Fe DTPA' on a white background
    BRANDT® Sequestar® 11% Fe DTPA, 25 lb. bag
    Grower Price
    BRANDT® Sequestar® 11% Fe DTPA, 25 lb. bag
    $200.23
    $333.72 $200.23
    $8.01 lb
    Grower Price
  • HaifaStim KIR 10L jug — chitosan and ortho-silicic acid liquid biostimulant by Haifa Fertilizers HaifaStim KIR infographic — stress protection, yield boost, and application methods for foliar, fertigation, and hydroponics
    HaifaStim™ KIR Biostimulant | 10 L (2.5 gal)
    HaifaStim™ KIR Biostimulant | 10 L (2.5 gal)
    $327.12
    $327.12
    $130.85 gal
  • DKP 0-41-54 fertilizer 1 lb. DKP 0-41-54 fertilizer 1 lb.
    DKP 0-41-54 fertilizer 1 lb.
    DKP 0-41-54 fertilizer 1 lb.
    $15.08
    $0.00 $15.08
  • V2 VEGETATIVE PART 2
    V2 VEGETATIVE PART 2
    V2 VEGETATIVE PART 2
    From $6.14
    $0.00 From $6.14
  • Maximo 363 Granular Zinc Sulfate | 35.5% Zn 50 lb Maximo 363 Granular Zinc Sulfate | 35.5% Zn 50 lb
    Maximo 363 Granular Zinc Sulfate | 35.5% Zn...
    Maximo 363 Granular Zinc Sulfate | 35.5% Zn...
    $81.80
    $81.80
    $1.64 lb
  • Alfalfa Meal 50 lb.
    Alfalfa Meal 50 lb. | Organic Nitrogen &...
    Grower Price
    Alfalfa Meal 50 lb. | Organic Nitrogen &...
    $30.00
    $45.99 $30.00
    Grower Price
  • Syphonject plastic siphon mixer
    Syphonject plastic siphon mixer
    Syphonject plastic siphon mixer
    $19.34
    $0.00 $19.34
  • Fertoz Organic POWDERED Rock Phosphate Fertilizer Fertoz Organic POWDERED Rock Phosphate Fertilizer
    Fertoz Organic POWDERED Rock Phosphate Fertilizer
    Sold out
    Fertoz Organic POWDERED Rock Phosphate Fertilizer
    $32.04
    $44.50 $32.04
    Sold out
  • FloraFlex Nutrients - B1™ | 25lb (Bag) FloraFlex Nutrients - B1™ | 25lb (Bag)
    FloraFlex Nutrients - B1™ | 25lb (Bag)
    Sold out
    FloraFlex Nutrients - B1™ | 25lb (Bag)
    $75.81
    $114.44 $75.81
    Sold out
  • FloraFlex Nutrients - B2™ | 25lb (BAG) FloraFlex Nutrients - B2™ | 25lb (BAG)
    FloraFlex Nutrients - B2™ | 25lb (BAG)
    Sold out
    FloraFlex Nutrients - B2™ | 25lb (BAG)
    $75.81
    $114.44 $75.81
    Sold out
  • SoluPotasse fertilizer bag on a white background Video introduction to Solupotasse potassium sulfate fertilizer
    SoluPotasse® SOP 0-0-51 | 55 lb
    SoluPotasse® SOP 0-0-51 | 55 lb
    $82.33
    $82.33
    $1.49 lb
  • Sigma 5-3-2 Bio With Value-Added Biologicals Sigma 5-3-2 Bio Organic Fertilizer 50 lb
    Sigma 5-3-2 Bio Organic Fertilizer 50 lb
    Grower Price
    Sigma 5-3-2 Bio Organic Fertilizer 50 lb
    $25.71
    $38.66 $25.71
    Grower Price
  • Potassium Magnesium Sulfate KMS UltraFines 17.5 lb.
    KMS UltraFines Potassium Magnesium Sulfate 17.5 lb
    KMS UltraFines Potassium Magnesium Sulfate 17.5 lb
    $22.55
    $0.00 $22.55
  • Kelp meal fertilizer 1-0-2 20 lb cubic box with green and white label Kelp meal fertilizer 1-0-2 finely milled organic amendment
    Kelp Meal Fertilizer 1-0-2 20 lb
    Kelp Meal Fertilizer 1-0-2 20 lb
    $43.40
    $0.00 $43.40
  • Biomin Boron Gallon
    Biomin Boron Gallon
    Sold out
    Biomin Boron Gallon
    $33.33
    $0.00 $33.33
    Sold out

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