Organic Fertilizers

  • Organic N-P-K Fertilizer Mixes

    Organic N-P-K Fertilizer Mixes

    Unlock Your Garden's Potential with Organic NPK Fertilizers Our high analysis organic...

    Organic N-P-K Fertilizer Mixes

  • Organic Micro Nutrients

    Organic Micro Nutrients

    Custom Hydro is your go-to source for all organic trace element fertilizers...

    Organic Micro Nutrients

  • Organic Nitrogen fertilizers

    Organic Nitrogen fertilizers

    Boost Your Crops with Organic Nitrogen Fertilizers Take your organic farm or...

    Organic Nitrogen fertilizers

  • Organic Phosphorus fertilizers

    Organic Phosphorus fertilizers

    Give Your Soil The Phosphorus Boost It Needs Fertilizers containing phosphorus for...

    Organic Phosphorus fertilizers

  • Organic Potassium fertilizers

    Organic Potassium fertilizers

    Supercharge Your Crops With Organic Potassium! Organic farmers and gardeners: get your...

    Organic Potassium fertilizers

  • Organic Calcium fertilizers

    Organic Calcium fertilizers

    Custom Hydro has in stock a large selection of natural minerals and...

    Organic Calcium fertilizers

  • Organic Magnesium fertilizers

    Organic Magnesium fertilizers

    Minerals for increasing the magnesium content of your soil and fertigation and...

    Organic Magnesium fertilizers

  • Organic Sulfur fertilizers

    Organic Sulfur fertilizers

    Get The Sulfur Benefits Your Farm Needs. Buy now, FAST shipping nation-wide!...

    Organic Sulfur fertilizers

  • Organic Silicon fertilizers

    Organic Silicon fertilizers

    Unlock Plant Health Benefits With Organic Silicon Fertilizers Selection of organic fertilizers...

    Organic Silicon fertilizers

  • VanSil CS-1 50 lb bag.

    Organic Cannabis Fertilizers

    Boost Your Cannabis Yields Organically! Unlock the full potential of your plants...

    Organic Cannabis Fertilizers

Nourish Your Crops Naturally! Our selection of water-soluble and slow-release organic fertilizers will help you achieve the best results.


Grow your commercial cannabis and veggie market garden the natural way with our top-notch organic and mineral fertilizers. Our selection of water-soluble and slow-release options will help you achieve the best results. We ship nationwide and offer quotes on bulk orders. Get in touch!
  • Iron Sulfate 30% iron fertilizer
    Iron Sulfate 30% iron...
    Sale
    Iron Sulfate 30%...
    $41.23
    $62.00 $41.23
    Sale
  • CalPhos soft rock phosphate GRANULAR 50 lb.
    CalPhos soft rock phosphate...
    Sold out
    CalPhos soft rock...
    $17.50
    $26.50 $17.50
    Sold out
  • Haifa BitterMag Magnesium Sulfate Heptahydrate - Horticultural Grade 50 lb. bag
    Haifa BitterMag™ Magnesium Sulfate...
    Sale
    Haifa BitterMag™ Magnesium...
    $23.36
    $45.00 $23.36
    Sale
  • Ferti-Corn Steep Powder 6-7-7 fertilizer 20 lb.
    Ferti-Corn Steep Powder 6-7-7...
    Sale
    Ferti-Corn Steep Powder...
    $71.75
    $100.00 $71.75
    Sale
  • Iron Sulfate Heptahydrate powder 50 lb.
    Iron Sulfate Heptahydrate powder...
    Sale
    Iron Sulfate Heptahydrate...
    $39.05
    $45.51 $39.05
    Sale
  • Wollastonite natural calcium silicate fertilizer 4 lb.
    Wollastonite natural calcium silicate...
    Wollastonite natural calcium...
    $7.45
    $0.00 $7.45
  • K+S Magnesium Sulfate 50 lb.
    K+S Magnesium Sulfate 50...
    Sale
    K+S Magnesium Sulfate...
    $36.85
    $47.25 $36.85
    Sale
  • Manganese Sulfate Soluble Fertilizer Powder 55 lb.
    Manganese Sulfate Soluble Fertilizer...
    Sale
    Manganese Sulfate Soluble...
    $111.20
    $138.80 $111.20
    Sale
  • Diamond K Premium 97 Powdered Gypsum - 50 lb
    Diamond K Premium 97...
    Sale
    Diamond K Premium...
    $11.30
    $17.08 $11.30
    Sale
  • Potassium Sulfate STANDARD FINES 4 LB
    Potassium Sulfate STANDARD FINES...
    Potassium Sulfate STANDARD...
    $15.45
    $0.00 $15.45
  • Maximo 360 Soluble Zinc Sulfate fertilizer 50 lb.
    Maximo 360 Soluble Zinc...
    Maximo 360 Soluble...
    $84.84
    $0.00 $84.84
  • Soluble Seaweed Fertilizer 0-0-14, 20 lb.
    Soluble Seaweed Fertilizer 0-0-14,...
    Soluble Seaweed Fertilizer...
    $143.40
    $0.00 $143.40
  • Iron Sulfate Heptahydrate 4 lb. jar
    Iron Sulfate Heptahydrate 4...
    Iron Sulfate Heptahydrate...
    $7.90
    $0.00 $7.90
  • Ferti-Corn Steep Powder 6-7-7 fertilizer 1 lb.
    Ferti-Corn Steep Powder 6-7-7...
    Ferti-Corn Steep Powder...
    $9.38
    $0.00 $9.38
  • Organic Kelp Meal Fertilizer 50 lb.
    Acadian Organic Kelp Meal...
    Sale
    Acadian Organic Kelp...
    $99.35
    $149.40 $99.35
    Sale
  • Sil-MATRIX LC - Soluble Potassium Silicate 2.5 gallon
    Sil-MATRIX LC - Soluble...
    Sale
    Sil-MATRIX LC -...
    $93.85
    $130.36 $93.85
    Sale

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