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Humboldt Nutrients

Give your plants what they need, when they need it! Humboldt Nutrients is committed to providing the highest quality plant nutrients designed to provide the highest yields for the hydroponic or organic grower.

  • DeuceDeuce 1

    Deuce Deuce

    DeuceDeuce will stimulate larger and harder flowers and improve overall …

    $20.95 $17.50
  • FlavorFul Fulvic Acid


    Use to make a huge difference in your garden’s fruit and flower production.

    $18.50 $14.95
  • Humboldt Bloom Natural 1

    Bloom Natural

    Use to produce a massive crop, a high quality yield, and flavorful fruits.

    $27.50 $22.50
  • Humboldt Grow Natural 1

    Grow Natural

    Provides the nutrient-rich foundations needed during vegetative plant growth.

    $27.50 $22.50
  • Humboldt Honey ES 1

    Honey ES

    Increases Brix levels by providing sugars to beneficial bacteria, fungi and your …

    $24.50 $19.95
  • Humboldt Roots 1

    Humboldt Roots

    Specifically designed to expand the root zone resulting in larger yields through…

    $72.95 $59.95
  • Hum-Bolt Humic Acid


    Derived from leonardite, Hum-Bolt contains 8% humic acid to improve plant …

    $18.50 $14.95
  • Big Up Powder

    Big Up Powder

    A premium bloom booster designed for the last few weeks of a flowering or …

    $31.50 $25.95
  • ProZyme Enzymatic Concentrate


    ProZyme contains over 80 different beneficial enzymes to help break down …

    $41.50 $34.50
  • Mayan MicroZyme 1

    Mayan MicroZyme

    Chock-full of microorganisms, Mayan MicroZyme can increase fertility while …

    $363.95 $299.95
  • Myco Madness 1

    Myco Madness

    Well suited to a variety of climates, soils and plants, this soluble powder can …

    $26.95 $22.50
  • White Widow 1

    White Widow

    Helps provide plant roots with greater access to water and nutrients in the soil.

    $57.50 $47.50