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.

  • 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
  • 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
  • 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
  • PureCrop PureCrop
    PureCrop
    PureCrop
    From $27.24
    $0.00 From $27.24
  • Flower Mix 0-21-26 Fertilizer - 4 Pound
    Flower Mix 0-21-26 Fertilizer - 4 Pound
    Flower Mix 0-21-26 Fertilizer - 4 Pound
    $33.73
    $0.00 $33.73
  • V1 VEGETATIVE PART 1
    V1 VEGETATIVE PART 1
    V1 VEGETATIVE PART 1
    From $6.14
    $0.00 From $6.14
  • Hormodin No.1
    Hormodin No.1
    Hormodin No.1
    $24.65
    $0.00 $24.65
  • Boric acid powder 99.9% pure 8 oz resealable screw-top jar with Custom Hydro Nutrients logo Boric Acid 99.9% 8 oz.
    Boric Acid Powder | 99.9% Pure 8 oz
    Boric Acid Powder | 99.9% Pure 8 oz
    $5.52
    $0.00 $5.52
  • 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
  • Urea 46-0-0 with low biuret (0.5% max) 20 lb.
    Urea 46-0-0 with low biuret (0.5% max) 20...
    Urea 46-0-0 with low biuret (0.5% max) 20...
    $39.90
    $0.00 $39.90
  • 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
  • CalPhos soft rock phosphate granular 4 lb. resealable bag — 0-3-0 organic phosphorus and calcium by Custom Hydro CalPhos soft rock phosphate 4 lb. STANDARD POWDER
    CalPhos soft rock phosphate 4 lb. STANDARD POWDER
    CalPhos soft rock phosphate 4 lb. STANDARD POWDER
    $5.00
    $5.00
    $1.25 lb
  • 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
  • Haifa DKP 0-41-54 water soluble fertiizer Haifa DKP 0-41-54 fertilizer 50 lb.
    Haifa DKP 0-40-53 fertilizer 50 lb.
    Grower Price
    Haifa DKP 0-40-53 fertilizer 50 lb.
    $179.55
    $224.10 $179.55
    Grower Price
  • Azomite 4 lb.
    Azomite 4 lb.
    Azomite 4 lb.
    $8.10
    $0.00 $8.10
  • Potassium Sulfate STANDARD FINES 20 LB Organic SOP 0-0-50 Standard Fines | 20 lb
    Organic SOP 0-0-50 Standard Fines | 20 lb
    Organic SOP 0-0-50 Standard Fines | 20 lb
    $50.80
    $0.00 $50.80

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