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    1 qt. - S.I. Structural Integrity - Silicate Additive - Hydroponic Nutrient Solution - Humboldt...

    1 qt. - S.I. Structural Integrity - Silicate Additive - Hydroponic Nutrient Solution - Humboldt...

    Brand Humboldt Nutrients - Part No. 723252 - Volume 946 ml - more

    $13.42

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    Humboldt Nutrients HNSL28 2.8-Cubic Feet Humboldt Nutrients All-Purpose Soil Mix

    Humboldt Nutrients HNSL28 2.8-Cubic Feet Humboldt Nutrients All-Purpose Soil Mix

    This high performance, all purpose soil is able to handle virtually any type of crop, growing in virtually any type of garden Mix is a dependable backyard recipe that is blended with hand selected materials Contains only top of line ingredients that... more

    $68.99 $53.26

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    Humboldt Nutrients HNHD420 5-Gallon Humboldt Nutrients Hydro Deuce

    Humboldt Nutrients HNHD420 5-Gallon Humboldt Nutrients Hydro Deuce

    Humboldt nutrients hydro deuce brings the power of the H.N. natural line to your hydro system. High quality potassium is now formulated in a lower viscosity (thickness) allowing this award winning formula to function without issue in your pumps and... more

    $207.70

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    Humboldt Nutrients HNMMX410 1-Pound Humboldt MycoMaximum Nutrient

    Humboldt Nutrients HNMMX410 1-Pound Humboldt MycoMaximum Nutrient

    This humboldt nutrients comes with myco maximum granular. It contains 8 species of growth-enhancing mycorrhizal fungi, proprietary ingredients, 12 strains of beneficial bacteria and 2 trichoderma species. It adds organic matter and helps to break down... more

    $28.75

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    Humboldt Nutrients HNV404 16-Ounce Humboldt Nutrients, Verde Growth Catalyst 16-1-2

    Humboldt Nutrients HNV404 16-Ounce Humboldt Nutrients, Verde Growth Catalyst 16-1-2

    Humboldt Nutrients verde growth catalyst 16-1-2. Used as a foliar spray or as a growth catalyst for hydroponic or soil crops. Keeps plants healthy throughout their life cycle. A premium growth supplement with 16 percent nitrogen, 1 percent phosphorus,... more

    $12.92

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    Humboldt Nutrients Humboldt Roots 1 Gallon Organic Root Stimulator Additive

    Humboldt Nutrients Humboldt Roots 1 Gallon Organic Root Stimulator Additive

    Item Condition Item Condition BRAND NEW IN SEALED BOX About Hydroponics Inc Hydroponics Inc. is dedicated to bringing you the best products at the very best prices. We offer a large selection of products, from the very best hydroponics and organics... more

    $450.00

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    Humboldt Nutrients Sea Mag 5 Gallon 5gal Ounce Qt Magnesium Supplement

    Humboldt Nutrients Sea Mag 5 Gallon 5gal Ounce Qt Magnesium Supplement

    Item Condition Item Condition BRAND NEW IN SEALED BOX About Hydroponics Inc Hydroponics Inc. is dedicated to bringing you the best products at the very best prices. We offer a large selection of products, from the very best hydroponics and organics... more

    $299.00

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    Humboldt Nutrients Hydro Deuce 5 Gallon 5gal Hydrodeuce Potassium Supplement

    Humboldt Nutrients Hydro Deuce 5 Gallon 5gal Hydrodeuce Potassium Supplement

    Item Condition Item Condition BRAND NEW IN SEALED BOX About Hydroponics Inc Hydroponics Inc. is dedicated to bringing you the best products at the very best prices. We offer a large selection of products, from the very best hydroponics and organics... more

    $314.99

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    Humboldt Nutrients Humboldt Nutrients Humboldt Mix

    Humboldt Nutrients Humboldt Nutrients Humboldt Mix

    Humboldt Nutrients Humboldt Mix 2.8 cu ft. is the product of many years of trials and tests in the hills and valleys of Northern California. This high-performance all-purpose soil is able to handle virtually any type of crop, growing in virtually any... more

    $131.99 $113.98

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    Humboldt Nutrients Humboldt Nutrients Humboldt Mix

    Humboldt Nutrients Humboldt Nutrients Humboldt Mix

    Humboldt Nutrients Humboldt Mix 2.8 cu ft. is the product of many years of trials and tests in the hills and valleys of Northern California. This high-performance all-purpose soil is able to handle virtually any type of crop, growing in virtually any... more

    $79.99

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    (1,000,000+)

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