Organic Micro Nutrients

  • Azomite 44 lb. bag

    Azomite

    AZOMITE® is an acronym for the "A to Z of minerals including...

    Azomite

  • Solubor boron fertilizer 20.5% B 4 lb white resealable screw-top jar with Custom Hydro Nutrients logo

    Boron

    Custom Hydro supplies certified organic fertilizer products to keep your crops in...

    Boron

  • Zinc Sulfate fertilizer 1 lb.

    Cu, Fe, Mn, Zn Sulfates

    Custom Hydro is your one-stop shop for organic certified fertilizers. Our trace...

    Cu, Fe, Mn, Zn Sulfates

  • Sodium Molybdate 1 lb.

    Molybdenum

    Sodium Molybdate is allowed as a micronutrient fertilizer in organic agriculture with...

    Molybdenum

Custom Hydro is your go-to source for all organic trace element fertilizers specifically designed for organic farmers and gardeners. Our wide selection includes Azomite, BioAg TM-7, Borax, Boric acid, Copper Sulfate, Iron Sulfate, Manganese Sulfate, NutraMins (montmorllonite), and Zinc Sulfate.
  • Nourish your soil with essential trace elements
  • Enhance plant growth and health naturally
  • Cultivate vibrant and sustainable gardens
  • Zinc Sulfate fertilizer 4 lb.
    Zinc Sulfate fertilizer 4 lb.
    Zinc Sulfate fertilizer 4 lb.
    $13.00
    $0.00 $13.00
  • Iron Sulfate Heptahydrate 4 lb. jar
    Iron Sulfate Heptahydrate 4 lb. jar
    Iron Sulfate Heptahydrate 4 lb. jar
    $7.90
    $0.00 $7.90
  • Manganese sulfate monohydrate 20 lb white resealable plastic pail with Custom Hydro Nutrients logo — 32% Mn Manganese Sulfate Monohydrate infographic — 32% Mn, 18% S, organic certified, foliar fertigation and hydroponic application rates
    Manganese Sulfate Monohydrate | 32% Mn 20 lb...
    Manganese Sulfate Monohydrate | 32% Mn 20 lb...
    $33.00
    $0.00 $33.00
  • Solubor boron fertilizer 20.5% B 20 lb white pail with Custom Hydro Nutrients logo Solubor boron fertilizer 20 lb.
    Solubor Boron Fertilizer | 20.5% B 20 lb
    Solubor Boron Fertilizer | 20.5% B 20 lb
    $70.50
    $0.00 $70.50
  • Maximo 361 Mini-Granule Zinc Sulfate | 35.5% Zn 50 lb Maximo 361 Mini-Granule Zinc Sulfate | 35.5% Zn 50 lb
    Maximo 361 Mini-Granule Zinc Sulfate | 35.5% Zn...
    Grower Price
    Maximo 361 Mini-Granule Zinc Sulfate | 35.5% Zn...
    $60.52
    $90.00 $60.52
    Grower Price
  • Iron Sulfate Heptahydrate 1 lb.
    Iron Sulfate Heptahydrate 1 lb.
    Iron Sulfate Heptahydrate 1 lb.
    $4.75
    $0.00 $4.75
  • Copper Sulfate 8 oz.
    Copper Sulfate 8 oz.
    Copper Sulfate 8 oz.
    $8.50
    $0.00 $8.50
  • Azomite 44 lb. bag
    Azomite 44 lb. bag
    Grower Price
    Azomite 44 lb. bag
    $39.75
    $45.95 $39.75
    Grower Price
  • 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
  • Copper Sulfate fertilizer 50 lb. (CHEM ONE FINES) Chem One Copper Sulfate Fine Crystals | 25% Cu 50 lb
    Chem One Copper Sulfate Fine Crystals | 25%...
    Chem One Copper Sulfate Fine Crystals | 25%...
    $176.39
    $0.00 $176.39
  • 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
  • Iron Sulfate Hi Yield 4 lb.
    Iron Sulfate Hi Yield 4 lb.
    Grower Price
    Iron Sulfate Hi Yield 4 lb.
    $10.30
    $15.00 $10.30
    Grower Price
  • Azomite 4 lb.
    Azomite 4 lb.
    Azomite 4 lb.
    $8.10
    $0.00 $8.10
  • Maximo 363 Granular Zinc Sulfate | 35.5% Zn 50 lb Maximo 363 Granular Zinc Sulfate | 35.5% Zn 50 lb
    Maximo 363 Granular Zinc Sulfate | 35.5% Zn...
    Maximo 363 Granular Zinc Sulfate | 35.5% Zn...
    $81.80
    $81.80
    $1.64 lb
  • Azomite 1 lb.
    Azomite 1 lb.
    Azomite 1 lb.
    $5.25
    $0.00 $5.25

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