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.

  • Citric acid anhydrous 4 lb resealable bag — pure white crystalline powder, food-grade, non-GMO, NOP compliant Citric Acid Anhydrous 4 lb.
    Citric Acid Anhydrous 4 lb.
    Citric Acid Anhydrous 4 lb.
    $28.50
    $0.00 $28.50
    $7.13 lb
  • A 40 lb bag of Roots Organics Terp Tea Grow fertilizer. Roots Organics Terp Tea Grow 40lb
    Roots Organics Terp Tea Grow 40 lb
    Grower Price
    Roots Organics Terp Tea Grow 40 lb
    $95.80
    $156.59 $95.80
    Grower Price
  • Vegetative Mix 9-17-28 Fertilizer - 4 Pound
    Vegetative Mix 9-17-28 Fertilizer - 4 Pound
    Grower Price
    Vegetative Mix 9-17-28 Fertilizer - 4 Pound
    $37.94
    $40.36 $37.94
    Grower Price
  • Peat-Lite Special 20-10-20 fertilizer 25 lb. peatlite_special_25lb
    Peat-Lite Special 20-10-20 fertilizer 25 lb.
    Grower Price
    Peat-Lite Special 20-10-20 fertilizer 25 lb.
    $42.16
    $63.40 $42.16
    Grower Price
  • Cytokin Bioregulator Concentrate 1 gallon Cytokin Bioregulator Concentrate 1 gallon
    Cytokin Bioregulator Concentrate 1 gallon
    Grower Price
    Cytokin Bioregulator Concentrate 1 gallon
    $183.45
    $276.00 $183.45
    Grower Price
  • 5-31-40 POLYPHOSPHATE FERTILIZER 1 lb.
    5-31-40 POLYPHOSPHATE FERTILIZER 1 lb.
    Sold out
    5-31-40 POLYPHOSPHATE FERTILIZER 1 lb.
    $13.92
    $0.00 $13.92
    Sold out
  • Roots Organics Terp Tea Bloom 3lb
    Roots Organics Terp Tea Bloom 3 lb
    Grower Price
    Roots Organics Terp Tea Bloom 3 lb
    $16.37
    $20.51 $16.37
    Grower Price
  • Bag of Haifa SOP Bio Sulfate of Potash fertilizer on a white background Haifa SOP BIO Organic 0-0-52 55 lb
    Haifa SOP BIO Organic 0-0-52 55 lb
    Grower Price
    Haifa SOP BIO Organic 0-0-52 55 lb
    $40.97
    $60.00 $40.97
    $0.74 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
  • 14-0-8 Hydroponic Boost Fertilizer
    Peters Professional 14-0-8 Hydroponic Boost - 4 lb
    Grower Price
    Peters Professional 14-0-8 Hydroponic Boost - 4 lb
    $21.09
    $30.12 $21.09
    Grower Price
  • DKP 0-41-54 fertilizer 4 lb. DKP 0-41-54 fertilizer 4 lb.
    DKP 0-41-54 fertilizer 4 lb.
    DKP 0-41-54 fertilizer 4 lb.
    $29.60
    $0.00 $29.60
  • Nature's Source 3-1-1 Organic Fertilizer 4.7 gallon
    Nature's Source 3-1-1 Organic Fertilizer 4.7 gallon
    Grower Price
    Nature's Source 3-1-1 Organic Fertilizer 4.7 gallon
    $64.10
    $80.00 $64.10
    Grower Price
  • Algamin Kelp Meal Maxicrop 5 lb.
    Algamin Kelp Meal Maxicrop 5 lb.
    Grower Price
    Algamin Kelp Meal Maxicrop 5 lb.
    $16.51
    $19.49 $16.51
    Grower Price
  • Potassium Magnesium Sulfate KMS UltraFines 4 lb.
    KMS UltraFines Potassium Magnesium Sulfate 4 lb
    KMS UltraFines Potassium Magnesium Sulfate 4 lb
    $10.00
    $0.00 $10.00
  • Calcium Carbonate 20 lb.
    Calcium Carbonate 20 lb.
    Calcium Carbonate 20 lb.
    $7.31
    $0.00 $7.31
  • FibreDust 1-meter lay flat grow bag with compressed coconut coir slab for commercial greenhouse production FibreDust True Blend 70/30 coir/pith lay flat grow bag for tomatoes, peppers, and cucumbers
    FibreDust Lay Flat Grow Bag with Coconut Coir...
    Grower Price
    FibreDust Lay Flat Grow Bag with Coconut Coir...
    From $5.10
    $5.36 From $5.10
    Grower Price

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