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Growing Supplies

Fertilizer

Explore our Fertilizer products

Type

  • Additives
  • Individual Nutrients
  • Nutrients
  • Pre-Mixed
26 Products
  • BiOWiSH Crop, 2.2 lbs

    BiOWiSH Crop, 2.2 lbs.

    $24.95
  • Calcium Nitrate, Greenhouse Grade

    $2.25
  • Citric Acid

    $4.70
  • Copper Sulfate - 1 Pound

    $6.70
  • DTPA Iron Chelate 5 Pounds

    $82.00
  • Flow K

    Food Grade Potassium Bicarbonate

    $6.90
  • Hydro-Gro CannaFlower 25 Lbs.

    $115.00
  • Hydro-Gro CannaVeg 25 Lbs.

    $115.00
  • Hydro Gro Leafy Greens 1 Pound

    Hydro-Gro Leafy

    $12.00
  • Hydro-Gro Vine Crops 1 Pound

    Hydro-Gro Vine

    $12.00
  • HypoGrow

    HypoGrow - 5 Gallons

    $156.00
  • Magnesium Sulfate

    $1.65
  • Manganese Sulfate

    $4.85
  • Micro Mix, 1 Gallon Leaf Crop Hydroponic Fertilizer

    Micro Mix, 1 Gallon Leaf Crop

    $34.00
  • Micro Mix, 1 Gallon Vine Crop

    Micro Mix, 1 Gallon Vine Crop

    $34.00
  • Monopotassium Phosphate

    $3.50
  • PH Down Gallon

    PH Down, 1 Gallon

    $27.50
  • pH Down, 32 Ounces

    pH Down, 32 Ounces

    $11.20
  • PH Up Gallon

    PH Up, 1 Gallon

    $27.50
  • pH Up, 32 Ounces

    $11.20
  • Potassium Nitrate

    $1.75
  • Potassium Sulfate (Potash) 50 Pound

    $68.00
  • Pre-EMPT Organic Hydroponic Fertilizer

    $89.00
  • Sodium Molybdate

    $2.05
  • Solubor (Boron) 1 Pound

    $4.25
  • Zinc Sulfate 1 Pound

    $5.40
We’re Here to Help
We’re Here to Help

If you don’t find the answers to your questions on our website, please contact us and we will be more than happy to assist you. The CropKing team of horticulturists and technical experts is available, whether you’re looking to learn more about hydroponics or need greenhouse equipment or growing supplies.

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Growing Supplies

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  • Insects & Disease
  • Packaging & Labels
  • Testing Equipment
  • Cleaners & Sanitizers
  • Environmental Controls

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Our Company

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Contact Us

  • Request a Quote

Contact Us

  • +1 330 302 4203
  • [email protected]
  • 134 West Drive Lodi, OH 44254 USA

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