Fertilizers
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Amendments
Soil Amendments & Growing MediaHealthy soil and growing media are the foundation...
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BioStimulants
Plant Biostimulants & Growth EnhancersBiostimulants are substances and microorganisms that improve plant...
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Specialty Crop Fertilizers
Professional-Grade Fertilizers Formulated for Specialty Crops Give your plants the precise nutrition...
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Foliar Fertilizer Supplies
Everything You Need to Run an Effective Foliar ProgramCustom Hydro stocks a...
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Liquid Fertilizers
Blended Liquid Fertilizer ConcentratesLiquid fertilizer concentrates offer convenience and precision for hydroponic,...
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Organic Fertilizers
Dry Organic & Natural Mineral FertilizersCustom Hydro stocks a full range of...
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Schedule Consultation
Schedule a Fertilizer & Hydroponics ConsultationGet expert, one-on-one guidance from Custom Hydro...
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Stock Solution Preservatives
Preservatives for Fertilizer Solutions & Hydroponic ReservoirsMicrobial contamination in fertilizer stock solutions...
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Water Soluble Fertilizers
Maximum Yields with Pure Water Soluble Fertilizers Pure Mineral Fertilizers and Pre-Mixed...
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.
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Metalosate Zinc Organic 5 lb.Regular price $96.91Regular priceUnit price per$143.80Sale price $96.91Grower Price -
Potassium Hydroxide Flake 0-0-75 | 4 lbRegular price $26.50Regular priceUnit price per
$0.00Sale price $26.50 -
TerraGrow 5 poundRegular price $165.41Regular priceUnit price per$248.74Sale price $165.41Sold out -
Hydroponic Finisher 0-15-30 fertilizer - 4lb.Regular price $26.50Regular priceUnit price per$31.53Sale price $26.50Grower Price -
Peters Excel 15-5-15 Cal-Mag Special with Black Iron...Regular price $51.11Regular priceUnit price per
$70.98Sale price $51.11Grower Price -
Potassium Chloride 20 lb.Regular price $27.20Regular priceUnit price per
$0.00Sale price $27.20 -
BR-61 24 oz. 9-58-8 fertilizerRegular price $12.00Regular priceUnit price per$15.00Sale price $12.00Sold out -
Roots Organics Seabird Guano Powder 40 lbRegular price $53.87Regular priceUnit price per$80.99Sale price $53.87Grower Price -
Magnesium EDTA 6% fertilizer 1 lb.Regular price $17.50Regular priceUnit price per
$0.00Sale price $17.50 -
Clonex Gel 250 mLRegular price $32.00Regular priceUnit price per$58.19Sale price $32.00Grower Price -
Potassium Carbonate 0-0-57 | 20 lbRegular price $77.10Regular priceUnit price per
$0.00Sale price $77.10 -
Calcium Formate 30% Ca Fertilizer 20 lbRegular price $37.43Regular priceUnit price per
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Hydroponic Finisher 0-15-30 fertilizer - 1lb.Regular price $12.88Regular priceUnit price per$15.46Sale price $12.88Grower Price -
Metalosate Calcium Amino Acid Complex Foliar Fertilizer 18%...Regular price $804.65Regular priceUnit price per
$1,004.30Sale price $804.65Grower Price -
Diamond K KMS UltraFines Potassium Magnesium Sulfate 50...Regular price $44.25Regular priceUnit price $0.89 per lb
$95.00Sale price $44.25Grower Price -
Haifa Multi-K RECI Potassium Nitrate 1 lbRegular price $7.32Regular priceUnit price per$15.00Sale price $7.32Grower Price
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