Humboldt Nutrients

Click here to view the Humboldt Nutrients feed charts.

Unlike our competition, we never buy liquidated inventory or old, deeply-discounted, soon-to-be-expired nutrients. We receive new products every few days, so when you buy from GYOstuff, rest assured you’re buying only the freshest nutrients for your plants.

     
    1 - 60 of 153 items
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    Master-A, 16 oz. Master-A, 32 oz. Master-A, 1 gal.
    Master-A, 16 oz.Master-A, 32 oz.Master-A, 1 gal.

    Humboldt's advanced grower 2 part nutrient solution.

    Humboldt's advanced grower 2 part nutrient solution.

    Humboldt's advanced grower 2 part nutrient solution.

    $13.40

    $23.40

    $70.20

    Master-A, 2.5 gal. Master-A, 5 gal. Master-A 15 gal
    Master-A, 2.5 gal.Master-A, 5 gal.Master-A 15 gal

    Humboldt's advanced grower 2 part nutrient solution.

    Humboldt's advanced grower 2 part nutrient solution.

    Humboldt's advanced grower 2 part nutrient solution.

    $146.24

    $270.38

    $248.99

    $682.65

    $613.99

    Master-B 16 oz. Master-B, 32 oz. Master-B, 1 gal.
    Master-B 16 oz.Master-B, 32 oz.Master-B, 1 gal.

    Humboldt's advanced grower 2 part nutrient solution.

    Humboldt's advanced grower 2 part nutrient solution.

    Humboldt's advanced grower 2 part nutrient solution.

    $13.40

    $23.40

    $70.20

    Master-B, 2.5 gal. Master-B, 5 gal. Master-B 15 gal
    Master-B, 2.5 gal.Master-B, 5 gal.Master-B 15 gal

    Humboldt's advanced grower 2 part nutrient solution.

    Humboldt's advanced grower 2 part nutrient solution.

    Humboldt's advanced grower 2 part nutrient solution.

    $146.24

    $270.38

    $248.99

    $682.65

    $613.99

    Humboldt Nutrients Grow 16 oz. Humboldt Nutrients Grow 32 oz. Humboldt Nutrients Grow 1 gal.
    Humboldt Nutrients Grow 16 oz.Humboldt Nutrients Grow 32 oz.Humboldt Nutrients Grow 1 gal.

    Humboldt's vegetative portion of their 3 part nutrient solution.

    Humboldt's vegetative portion of their 3 part nutrient solution.

    Humboldt's vegetative portion of their 3 part nutrient solution.

    $6.60

    $11.70

    $29.84

    Humboldt Nutrients Grow 2.5 gal. Humboldt Nutrients Grow 5 gal. Humboldt Nutrients Grow 15 gal
    Humboldt Nutrients Grow 2.5 gal.Humboldt Nutrients Grow 5 gal.Humboldt Nutrients Grow 15 gal

    Humboldt's vegetative portion of their 3 part nutrient solution.

    Humboldt's vegetative portion of their 3 part nutrient solution.

    Humboldt's vegetative portion of their 3 part nutrient solution.

    $65.52

    $117.00

    $333.44

    $296.99

    Humboldt Nutrients Micro 16 oz. Humboldt Nutrients Micro 32 oz. Humboldt Nutrients Micro 1 gal.
    Humboldt Nutrients Micro 16 oz.Humboldt Nutrients Micro 32 oz.Humboldt Nutrients Micro 1 gal.

    Humboldt's Micro formula for their 3 part nutrient solution.

    Humboldt's Micro formula for their 3 part nutrient solution.

    Humboldt's Micro formula for their 3 part nutrient solution.

    $9.08

    $15.80

    $36.28

    Humboldt Nutrients Micro 2.5 gal. Humboldt Nutrients Micro 5 gal. Humboldt Nutrients Micro 15 gal
    Humboldt Nutrients Micro 2.5 gal.Humboldt Nutrients Micro 5 gal.Humboldt Nutrients Micro 15 gal

    Humboldt's Micro formula for their 3 part nutrient solution.

    Humboldt's Micro formula for their 3 part nutrient solution.

    Humboldt's Micro formula for their 3 part nutrient solution.

    $83.06

    $159.12

    $429.62

    $379.99

    Humboldt Nutrients Bloom 16 oz. Humboldt Nutrients Bloom 32 oz. Humboldt Nutrients Bloom 1 gal
    Humboldt Nutrients Bloom 16 oz.Humboldt Nutrients Bloom 32 oz.Humboldt Nutrients Bloom 1 gal

    Humboldt's bloom portion of their three part nutrient solution.

    Humboldt's bloom portion of their three part nutrient solution.

    Humboldt's bloom portion of their three part nutrient solution.

    $6.60

    $11.70

    $29.84

    Humboldt Nutrients Bloom 2.5 gal Humboldt Nutrients Bloom 5 gal Humboldt Nutrients Bloom 15 gal
    Humboldt Nutrients Bloom 2.5 galHumboldt Nutrients Bloom 5 galHumboldt Nutrients Bloom 15 gal

    Humboldt's bloom portion of their three part nutrient solution.

    Humboldt's bloom portion of their three part nutrient solution.

    Humboldt's bloom portion of their three part nutrient solution.

    $65.52

    $117.00

    $333.44

    $296.99

    Grow Natural 16 oz. Grow Natural 32 oz. Grow Natural 1 gal
    Grow Natural 16 oz.Grow Natural 32 oz.Grow Natural 1 gal

    Humboldt's natural grow formula for minimal salt build up, part of their natural 3 part solution.

    Humboldt's natural grow formula for minimal salt build up, part of their natural 3 part solution.

    Humboldt's natural grow formula for minimal salt build up, part of their natural 3 part solution.

    $15.14

    $26.32

    $93.60

    Grow Natural 2.5 gal. Grow Natural 5 gal. Grow Natural 15 gal
    Grow Natural 2.5 gal.Grow Natural 5 gal.Grow Natural 15 gal

    Humboldt's natural grow formula for minimal salt build up, part of their natural 3 part solution.

    Humboldt's natural grow formula for minimal salt build up, part of their natural 3 part solution.

    Humboldt's natural grow formula for minimal salt build up, part of their natural 3 part solution.

    $233.51

    $219.99

    $421.20

    $374.99

    $1,169.95

    $1,039.99

    Bloom Natural 32 oz. Bloom Natural 1 gal Bloom Natural 2.5 gal.
    Bloom Natural 32 oz.Bloom Natural 1 galBloom Natural 2.5 gal.

    Humboldt's natural Bloom formula for their three part nutrient solution.

    Humboldt's natural Bloom formula for their three part nutrient solution.

    Humboldt's natural Bloom formula for their three part nutrient solution.

    $27.65

    $25.99

    $98.31

    $89.99

    $233.51

    $214.99

    Bloom Natural 5 gal. Bloom Natural 15 gal Oneness 16 oz.
    Bloom Natural 5 gal.Bloom Natural 15 galOneness 16 oz.

    Humboldt's natural Bloom formula for their three part nutrient solution.

    Humboldt's natural Bloom formula for their three part nutrient solution.

    Humboldt's 1 part nutrient solution for beginner gardeners.

    $421.20

    $374.99

    $1,169.95

    $1,039.99

    $13.00

    Oneness 32 oz. Oneness 1 gal Oneness 2.5 gal.
    Oneness 32 oz.Oneness 1 galOneness 2.5 gal.

    Humboldt's 1 part nutrient solution for beginner gardeners.

    Humboldt's 1 part nutrient solution for beginner gardeners.

    Humboldt's 1 part nutrient solution for beginner gardeners.

    $24.00

    $85.08

    $195.00

    Oneness 5 gal. Oneness, 15 gal Big Up Powder 2 oz.
    Oneness 5 gal.Oneness, 15 galBig Up Powder 2 oz.

    Humboldt's 1 part nutrient solution for beginner gardeners.

    Humboldt's 1 part nutrient solution for beginner gardeners.

    Humboldt's bloom booster for robust fruits and flowers.

    $364.95

    $327.99

    $1,050.00

    $929.99

    $9.90

    Big Up Powder 4 oz. Big Up Powder 8 oz. Big Up Powder 1 lb.
    Big Up Powder 4 oz.Big Up Powder 8 oz.Big Up Powder 1 lb.

    Humboldt's bloom booster for robust fruits and flowers.

    Humboldt's bloom booster for robust fruits and flowers.

    Humboldt's bloom booster for robust fruits and flowers.

    $17.26

    $30.00

    $50.00

    Big Up Powder 5 lb. Big Up Powder 10 lb. Big Up Powder 20 lb.
    Big Up Powder 5 lb.Big Up Powder 10 lb.Big Up Powder 20 lb.

    Humboldt's bloom booster for robust fruits and flowers.

    Humboldt's bloom booster for robust fruits and flowers.

    Humboldt's bloom booster for robust fruits and flowers.

    $200.00

    $379.95

    $339.99

    $727.95

    $649.99

    Calyx Magnum, 32 oz. Calyx Magnum, 1 gal DeuceDeuce 16 oz.
    Calyx Magnum, 32 oz.Calyx Magnum, 1 galDeuceDeuce 16 oz.

    Multiple nutrient supplement for early growth, improves hardiness of plant and overall health.

    Multiple nutrient supplement for early growth, improves hardiness of plant and overall health.

    Improves root health and mass resulting in increased blooms and a hardier plant.

    $19.32

    $48.02

    $11.50

    DeuceDeuce 32 oz. DeuceDeuce 1 gal. DeuceDeuce 2.5 gal.
    DeuceDeuce 32 oz.DeuceDeuce 1 gal.DeuceDeuce 2.5 gal.

    Improves root health and mass resulting in increased blooms and a hardier plant.

    Improves root health and mass resulting in increased blooms and a hardier plant.

    Improves root health and mass resulting in increased blooms and a hardier plant.

    $20.00

    $70.00

    $165.00

    1 - 60 of 153 items