Nutrients & Additives

Nutrients & Additives

Plant nutrients, beneficial microbes, compost tea, and additives to feed every stage of growth.

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449 products

NPK RAW Nitrogen 2lbs
NPK Industries
NPK RAW Nitrogen 2lbs Sale price$78.85
Xtreme Gardening MYKOS WP pure mycorrhizal wettable powder 2.2 lb, 6/cs
Xtreme Gardening
Xtreme Gardening MYKOS WP pure mycorrhizal wettable powder 2.2 lb, 6/cs Sale price$78.00
Green Gro Green Aminos 5lb
Green Gro
Green Gro Green Aminos 5lb Sale price$84.07
Green Gro Green Aminos 25lb
Green Gro
Green Gro Green Aminos 25lb Sale price$331.59
Humboldt Nutrients Verde 5 Gallon
Humboldt
Humboldt Nutrients Verde 5 Gallon Sale price$415.60
NPK RAW B-Vitamin 10lbs
NPK Industries
NPK RAW B-Vitamin 10lbs Sale price$150.00
Mr. B's Green Trees Organic All Purpose 40lbs (5gal)
Mr. B's Green Trees
Mr. B's Green Trees Organic All Purpose 40lbs (5gal) Sale price$150.38
Humboldt Nutrients Honey Organic ES 5 Gallon
Humboldt
Humboldt Nutrients Honey Organic ES 5 Gallon Sale price$341.76
Humboldt Nutrients Ginormous 5 Gallon
Humboldt
Humboldt Nutrients Ginormous 5 Gallon Sale price$464.10
Humboldt Nutrients Honey Organic ES 1 Gallon
Humboldt
Humboldt Nutrients Honey Organic ES 1 Gallon Sale price$83.46
Humboldt Nutrients Verde 2.5 Gallon
Humboldt
Humboldt Nutrients Verde 2.5 Gallon Sale price$219.32
Humboldt Nutrients Verde 1 Gallon
Humboldt
Humboldt Nutrients Verde 1 Gallon Sale price$89.98
Mr. B's Green Trees Organic All Purpose 8lbs (1gal)
Mr. B's Green Trees
Mr. B's Green Trees Organic All Purpose 8lbs (1gal) Sale price$44.69
Humboldt Nutrients Honey Organic ES 2.5 Gallon
Humboldt
Humboldt Nutrients Honey Organic ES 2.5 Gallon Sale price$190.70
Green Gro Premium Ultrafine Mycorrhizae 30lb
Green Gro
Green Gro Premium Ultrafine Mycorrhizae 30lb Sale price$620.97
Green Gro Flower Finisher 35lb
Green Gro
Green Gro Flower Finisher 35lb Sale price$581.31
Mr. B's Green Trees All Purpose Boost 8lbs (1gal)
Mr. B's Green Trees
Mr. B's Green Trees All Purpose Boost 8lbs (1gal) Sale price$44.69
Humboldt Nutrients Ginormous 32 fl oz
Humboldt
Humboldt Nutrients Ginormous 32 fl oz Sale price$33.96
Green Gro Pride Lands Veg 35lb
Green Gro
Green Gro Pride Lands Veg 35lb Sale price$165.17
Humboldt Nutrients Honey Organic ES 32 fl oz
Humboldt
Humboldt Nutrients Honey Organic ES 32 fl oz Sale price$26.48
Humboldt Nutrients Ginormous 1 Gallon
Humboldt
Humboldt Nutrients Ginormous 1 Gallon Sale price$113.20
Green Gro Flower Shower 5lb
Green Gro
Green Gro Flower Shower 5lb Sale price$70.19
Humboldt Nutrients Verde 32 fl oz
Humboldt
Humboldt Nutrients Verde 32 fl oz Sale price$26.00
Humboldt County's Own Starter Pack
Humboldt
Humboldt County's Own Starter Pack Sale price$127.00

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