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.

  • Haifa Micro Iron DTPA 11% Haifa Micro™ Iron DTPA 11% — Chelated Iron Fertilizer (25 kg)
    Haifa Micro™ Iron DTPA 11% — Chelated Iron...
    Grower Price
    Haifa Micro™ Iron DTPA 11% — Chelated Iron...
    $341.69
    $450.00 $341.69
    $6.20 lb
    Grower Price
  • 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
  • Potassium Chloride 1 lb.
    Potassium Chloride 1 lb.
    Potassium Chloride 1 lb.
    $7.75
    $0.00 $7.75
  • Replenish 8-2-2 Standard Grade - 50 lb
    Replenish 8-2-2 Standard Grade - 50 lb
    Grower Price
    Replenish 8-2-2 Standard Grade - 50 lb
    $33.50
    $50.00 $33.50
    Grower Price
  • Phos Sea Bird Guano Powder 40 lbs
    Roots Organics Seabird Guano Powder 40 lb
    Grower Price
    Roots Organics Seabird Guano Powder 40 lb
    $53.87
    $80.99 $53.87
    Grower Price
  • Ferti-Organic Ultra-Fine Mycorrhizae 50 lb. bag Ferti-Organic Ultra-Fine Mycorrhizae - 50 lb
    Ferti-Organic Ultra-Fine Mycorrhizae - 50 lb
    Grower Price
    Ferti-Organic Ultra-Fine Mycorrhizae - 50 lb
    $2,327.50
    $3,500.00 $2,327.50
    $46.55 lb
    Grower Price
  • Calcium Thiosulfate Fertilizer | 6% Ca 10% S Calcium Thiosulfate Fertilizer | 6% Ca 10% S
    Calcium Thiosulfate Fertilizer | 6% Ca 10% S
    Grower Price
    Calcium Thiosulfate Fertilizer | 6% Ca 10% S
    $101.13
    $140.50 $101.13
    Grower Price
  • Growing Media Test
    Soilless Growing Media Lab Test (SME)
    Soilless Growing Media Lab Test (SME)
    $49.00
    $0.00 $49.00
  • 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
  • Citric acid anhydrous 20 lb brown kraft box — food-grade, non-GMO, NOP compliant pH adjuster and nutrient chelator Citric Acid Anhydrous 20 lb.
    Citric Acid Anhydrous 20 lb.
    Citric Acid Anhydrous 20 lb.
    $110.05
    $0.00 $110.05
    $5.50 lb
  • 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
  • Martin Disper-Sul 90% sulfur pastille Martin Disper-Sul 90% sulfur pastille
    Martin Disper-Sul 90% sulfur pastille
    Grower Price
    Martin Disper-Sul 90% sulfur pastille
    $32.84
    $40.00 $32.84
    Grower Price
  • FoxFarm Cultivation Nation 70/30 Coconut Coir & Perlite, 2 cu ft
    Cultivation Nation 70/30 CoconutCoir & Perlite 2 cu...
    Grower Price
    Cultivation Nation 70/30 CoconutCoir & Perlite 2 cu...
    $29.14
    $44.15 $29.14
    Grower Price
  • Natural Wet Wetting Agent and Anti-stress Agent Gallon
    Natural Wet Wetting Agent and Anti-stress Agent 2.5...
    Sold out
    Natural Wet Wetting Agent and Anti-stress Agent 2.5...
    $87.88
    $120.00 $87.88
    Sold out
  • Dissolvine Manganese EDTA 13% 55 lb.
    Dissolvine Manganese EDTA 13% 55 lb.
    Dissolvine Manganese EDTA 13% 55 lb.
    $260.00
    $260.00

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