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Grow Lights & Hydroponics from Interior Gardens Grow Light Supply :: Plant Nutrients and Additives :: Humboldt Nutrients :: High Powered Additives - Humboldt Nutrients
Unlike similar products which contain artificial colors, and fail to consistently perform, our high powered additives are free of artificial components, and extremely effective. Many farmers depend on our proprietary blends of super nutrients.
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Big Up Powder 1lb - Humboldt Nutrients
Big Up Powder 0-33-23
A local legend in Humboldt County: Big Up Powder is a premium amino chelated bloom booster.
Humboldt Nutrients chemists have developed Big Up Powder after years of research and local trials. Many similar products contain artificial coloring and dy...
Price: $49.95
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Big Up Powder 8oz - Humboldt Nutrients
Big Up Powder 0-33-23
A local legend in Humboldt County: Big Up Powder is a premium amino chelated bloom booster.
Humboldt Nutrients chemists have developed Big Up Powder after years of research and local trials. Many similar products contain artificial coloring and dy...
Price: $29.95
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Sea Cal Qt - Humboldt Nutrients
Sea Cal 3-2-8
Humboldt Nutrients Sea Cal was designed in Humboldt County to be a powerful additive for hydroponics and all growing mediums. Sea-Cal may be utilized for any type of vegetable, flower, or herb.
Sea Cal is a highly concentrated growth enhancer and chelated calciu...
Price: $33.95
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Sea Mag Qt - Humboldt Nutrients
Sea Mag 0.2-0.2-3
Humboldt Nutrients Sea Mag was designed in Humboldt County to be a powerful additive for hydroponics and all growing mediums. Sea Mag may be utilized for any type of vegetable, flower, or herbs.
Sea Mag is loaded with vital micro nutrients, plant horm...
Price: $23.95
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Sticky 16 oz. Humboldt Nutrients
Humboldt Sticky is a premium sticking and wetting agent which has been extensively tested in Northern California with phenomenal results. Humboldt Sticky is formulated using premium ingredients which are simply unavailable in similar products
Price: $18.50
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