Humboldt Nutrients

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Humboldt Roots 1/2 gal

Humboldt Roots is a highly concentrated organic root stimulant that expands the root zone during the..

$401.44

Humboldt Roots 1 gal.

Humboldt Roots is a highly concentrated organic root stimulant that expands the root zone during the..

$728.00

Hydro Deuce 16 oz

Humboldt Nutrients Hydro Deuce brings the power of the H.N. natural line to your hydro system. The h..

$13.12

Hydro Deuce 32oz

Humboldt Nutrients Hydro Deuce brings the power of the H.N. natural line to your hydro system. The h..

$22.82

Hydro Deuce Gal

Humboldt Nutrients Hydro Deuce brings the power of the H.N. natural line to your hydro system. The h..

$79.34

Hydro Deuce 5 Gal

Humboldt Nutrients Hydro Deuce brings the power of the H.N. natural line to your hydro system. The h..

$357.96

Liquid Underground Gal

Worms are Mother Nature's most famous decomposer. The benefits that worms provide for our gardens ar..

$39.78

Master AB 2-Part Box Starter Kit

Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all plants made ..

$60.32

Master-A, 16 oz.

NPK 4-0-3 Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all p..

$13.95

Master-A, 32 oz.

NPK 4-0-3 Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all p..

$24.33

Master-A, 1 gal.

NPK 4-0-3 Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all p..

$73.00

Master-A, 2.5 gal.

NPK 4-0-3 Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all p..

$152.08

Master-A, 5 gal.

NPK 4-0-3 Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all p..

$267.69

Master-A, 15 gal.

NPK 4-0-3 Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all p..

$682.64

Master-B 16 oz.

NPK 1-5-6 Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all p..

$13.95

Master-B, 32 oz.

NPK 1-5-6 Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all p..

$24.33