| 25 products in this category, displaying products 1 to 25.
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White Widow 16 oz
Mycorrhizal inoculants are crucial to sustaining a healthy, expansive root zone. Humboldt Nutrients is proud to launch o...
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$88.95 |
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Big Up Powder 2 oz
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Big Up Powder
A local legend in Humboldt County: Big Up Powder is a premium bloom booster. Humboldt Nutrients agronomists and chemists...
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$9.49-$374.95 |
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Duece Duece Pint
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Duece Duece
Humboldt Nutrients Hydro Deuce brings the power of the H.N. natural line to your hydro system. The high quality potassiu...
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$11.99-$309.00 |
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Equilibrium Natural Pint
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Equilibrium Natural
Plants and gardens must have accessible calcium and magnesium to successfully grow, fruit and flower. In thorough tests ...
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$11.99-$169.95 |
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Flavorful Pint
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Flavorful Fulvic Acid
FlavorFul is a strong solution of 8% refined Humic acid concentrate, a little known and highly useful additive.
The ma...
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$9.45-$219.00 |
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Ginormous Pint
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Ginormous
GIANT flowers and ENORMOUS fruits are what we all want to harvest consistently throughout our lives. Humboldt Nutrients ...
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$14.50-$399.00 |
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HN 3-Part Micro Pint
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Humboldt Nutrients 3-Part
Humboldt Nutrients Micro formula, was designed in Humboldt County to be used with our Grow and Bloom to be a complete gr...
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$5.99-$145.00 |
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HN Organic Bloom Pint
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Humboldt Natural Bloom
If you were looking for a natural bloom formula with some major punch to it, you have found it.
Humboldt Nutrients Blo...
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$13.95-$399.00 |
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HN Organic Grow Pint
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Humboldt Natural Grow
Humboldt Nutrients Grow Natural is an ultra-concentrated natural grow formula designed to give your plants the nutrient-...
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$25.95-$399.00 |
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Honey ES Pint
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Honey ES
Humboldt Nutrients Humboldt Honey ES is a premium blend of cane molasses, yucca, kelp and ocean fish, this carb source i...
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$12.95-$289.00 |
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Honey Hydro Pint
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Honey Hydro
Humboldt Honey Hydro Carbs is an excellent source of carbohydrates for all plants. It promotes and facilitates the growt...
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$6.99-$152.00 |
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Humboldt Humic Pint
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Humboldt Humic
HUM-BOLT is a 8% Humic Acid derived from premium Leonardite, extracted from a mine known to produce the highest quality ...
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$9.65-$219.00 |
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Humboldt Sticky Pint
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Humboldt Sticky
Humboldt Sticky is a premium sticking and wetting agent which has been extensively tested in Northern California with ph...
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$10.09-$28.27 |
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Hydro Duece Pint
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Hydro Duece Duece
Humboldt Nutrients Hydro Deuce brings the power of the H.N. natural line to your hydro system. The high quality potassiu...
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$11.99-$179.00 |
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Master Part A Pint
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Humboldt Nutrients Master
Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all plants made with non-toxic, high...
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$12.50-$234.95 |
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Mayan MicroZyme 4 Ounces
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Mayan MicroZyme
Mayan MicroZyme is a 100% organic and ecologically safe beneficial bacterial complex with multiple species of soil micro...
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$18.95-$245.95 |
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Myco Madness 2 oz
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Myco Madness
Myco Madness contains a biologically active package, 8 mycorrhizal species, 12 beneficial bacteria and 2 Trichoderma spe...
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$13.99-$379.95 |
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Myco Maximum 8 oz
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Myco Maximum
Myco Maximum granular contains 8 species of growth-enhancing mycorrhizal fungi, proprietary ingredients, 12 strains of b...
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$28.95-$339.95 |
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Oneness Pint
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Oneness
Through extensive research and development, the Humboldt Nutrients team of agronomists and chemists have created the fir...
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$11.65-$349.00 |
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ProZyme Pint
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ProZyme
Enzymes are biological catalysts, derived from living organisms. Catalysts increase the speed of naturally occurring che...
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$20.95-$409.00 |
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Royal Flush Pint
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Royal Flush
Humboldt Nutrients Royal Flush supercharges the flushing process grabbing-up and binding together undesirable salts and ...
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$7.99-$69.95 |
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Sea Cal 8 Ounces
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Sea Cal
Humboldt Nutrients Sea Cal was designed in Humboldt County to be a powerful additive for hydroponics and all growing med...
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$10.25-$569.00 |
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Sea Mag 8 Ounces
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Sea Mag
Humboldt Nutrients Sea Mag was designed in Humboldt County to be a powerful additive for hydroponics and all growing med...
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$6.95-$339.00 |
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Verde Pint
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Verde
It's Spanish for green. Lush green colors and vigorous growth are what you can expect with Verde. Used as a foliar spray...
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$11.65-$339.00 |
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White Widow 1 oz
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White Widow
Mycorrhizal inoculants are crucial to sustaining a healthy, expansive root zone. Humboldt Nutrients is proud to launch o...
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$17.50-$88.95 |
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Canna Nutrients are Dutch experts and internationally recognized world wide leader in intelligent plant technologies for cultivating your favorite plants in cocoponics, hydroponics and soil. | 
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