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.

  • Urea46-0-0 with low biuret (0.5% max) 1 lb.
    Urea46-0-0 with low biuret (0.5% max) 1 lb.
    Urea46-0-0 with low biuret (0.5% max) 1 lb.
    $12.69
    $0.00 $12.69
  • MasterBlend 4-18-38 Tomato Formula 1 lb. white screw-top jar with blue and white label on clean white background A closeup view of a small pile of MasterBlend 4-18-38 hydroponic tomato fertilizer powder.
    MasterBlend 4-18-38 Tomato Formula 1 lb.
    MasterBlend 4-18-38 Tomato Formula 1 lb.
    $6.95
    $0.00 $6.95
    $6.95 lb
  • Cobalt Nitrate 10 grams
    Cobalt Nitrate 10 grams
    $12.75
    $0.00 $12.75
  • Potassium acetate foliar fertilizer 0-0-25 Quart
    Potassium acetate foliar fertilizer 0-0-25 Quart
    Sold out
    Potassium acetate foliar fertilizer 0-0-25 Quart
    $22.90
    $0.00 $22.90
    Sold out
  • MagPhos 0-55-18 fertilizer 4 lb.
    MagPhos 0-55-18 fertilizer 4 lb.
    MagPhos 0-55-18 fertilizer 4 lb.
    $22.75
    $0.00 $22.75
  • Sodium Molybdate fertilizer 4 lb.
    Sodium Molybdate fertilizer 20 lb. pail
    Grower Price
    Sodium Molybdate fertilizer 20 lb. pail
    $560.05
    $745.40 $560.05
    Grower Price
  • B2 BLOOM PART 2
    B2 BLOOM PART 2
    B2 BLOOM PART 2
    From $6.14
    $0.00 From $6.14
  • Manganese Sulfate fertilizer 8 oz.
    Manganese Sulfate fertilizer 8 oz.
    Manganese Sulfate fertilizer 8 oz.
    $3.50
    $0.00 $3.50
  • Copper sulfate fine crystals 20 lb white 2-gallon plastic pail with Custom Hydro Nutrients logo Copper Sulfate fertilizer FINE POWDER for organic, hydroponics and spray solutions.
    Copper Sulfate Fine Crystals | 25% Cu 20...
    Copper Sulfate Fine Crystals | 25% Cu 20...
    $88.42
    $0.00 $88.42
  • CalPhos soft rock phosphate granular 4 lb. resealable bag — 0-3-0 organic phosphorus and calcium by Custom Hydro CalPhos Soft Rock Phosphate GRANULAR 4 lb.
    CalPhos Soft Rock Phosphate GRANULAR 4 lb.
    CalPhos Soft Rock Phosphate GRANULAR 4 lb.
    $5.00
    $5.00
    $1.25 lb
  • Potassium Sulfate STANDARD FINES 1 LB Soluble Organic Potassium Sulfate fertilizer
    Organic SOP 0-0-50 Standard Fines | 1 lb
    Organic SOP 0-0-50 Standard Fines | 1 lb
    $7.40
    $0.00 $7.40
  • 75% Phosphoric Acid 5 Gallon
    Phosphoric Acid 75% | 5 Gallon
    Phosphoric Acid 75% | 5 Gallon
    $175.00
    $0.00 $175.00
  • DKP 0-41-54 fertilizer 20 lb. DKP 0-41-54 fertilizer 20 lb.
    DKP 0-41-54 fertilizer 20 lb.
    DKP 0-41-54 fertilizer 20 lb.
    $89.64
    $0.00 $89.64
  • Peters Professional Liquid S.T.E.M. Chelated 2.64 gallons
    Peters Liquid S.T.E.M. Chelated 2.64 gal
    Grower Price
    Peters Liquid S.T.E.M. Chelated 2.64 gal
    $143.84
    $235.80 $143.84
    $54.48 gal
    Grower Price
  • Azomite 44 lb. bag
    Azomite 44 lb. bag
    Grower Price
    Azomite 44 lb. bag
    $39.75
    $45.95 $39.75
    Grower Price
  • YaraLiva CALCINIT Greenhouse/Solution Grade full pallet YaraLiva CalciNit 15.5-0-0 | Full Pallet
    YaraLiva CalciNit 15.5-0-0 | Full Pallet
    Grower Price
    YaraLiva CalciNit 15.5-0-0 | Full Pallet
    $1,734.11
    $2,275.00 $1,734.11
    Grower Price

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