Humboldt Nutrients
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Humboldt Nutrients
Big Up Powder 1 lbs
Big Up Powder 0-33-23 A local legend in Humboldt County: Big Up Powder is a premium bloom booster. Humboldt Nutrients agronomists and chemists have developed Big Up Powder after years of research and...$40.21$58.49$47.21 -
Humboldt Nutrients
Big Up Powder 10 lbs
Big Up Powder 0-33-23 A local legend in Humboldt County: Big Up Powder is a premium bloom booster. Humboldt Nutrients agronomists and chemists have developed Big Up Powder after years of research and...$278.13$444.99$285.13 -
Humboldt Nutrients
Big Up Powder 20 lbs
Big Up Powder 0-33-23 A local legend in Humboldt County: Big Up Powder is a premium bloom booster. Humboldt Nutrients agronomists and chemists have developed Big Up Powder after years of research and...$511.86$818.99$518.86 -
Humboldt Nutrients
Big Up Powder 5 lbs
Big Up Powder 0-33-23 A local legend in Humboldt County: Big Up Powder is a premium bloom booster. Humboldt Nutrients agronomists and chemists have developed Big Up Powder after years of research and...$154.23$234.99$161.23 -
Humboldt Nutrients
Bloom 1 gallon
NPK 0-6-5 Humboldt Nutrients Bloom formula, was designed in Humboldt County to be used with our Grow and Micro to be a complete growing nutrient system for hydroponics as well as other growing...$36.60 -
Humboldt Nutrients
Bloom 32 oz.
NPK 0-6-5 Humboldt Nutrients Bloom formula, was designed in Humboldt County to be used with our Grow and Micro to be a complete growing nutrient system for hydroponics as well as other growing...$13.03 -
Humboldt Nutrients
Bloom Natural 2.5 gal.
Bloom Natural 0-10-0 If you were looking for a natural bloom formula with some major punch to it, you have found it. Humboldt Nutrients Bloom Natural is an ultra-concentrated natural bloom formula...$170.63$259.99$177.63 -
Humboldt Nutrients
Bloom Natural 5 gal.
Bloom Natural 0-10-0 If you were looking for a natural bloom formula with some major punch to it, you have found it. Humboldt Nutrients Bloom Natural is an ultra-concentrated natural bloom formula...$308.13$492.99$315.13 -
Humboldt Nutrients
Calyx Magnum Gal (4/cs)
With an available 2% (N), 3.4% (Ca), and 1.4% (Mg) + micronutrients, Calyx Magnum gives gardeners vital nutrients needed for plant development and growth. Another huge benefit is that we created...$44.14$53.99 -
Humboldt Nutrients
Calyx Magnum Quart (12/cs)
With an available 2% (N), 3.4% (Ca), and 1.4% (Mg) + micronutrients, Calyx Magnum gives gardeners vital nutrients needed for plant development and growth. Another huge benefit is that we created...$21.99 -
Humboldt Nutrients
DeuceDeuce 2.5 gal.
DeuceDeuce 0-0-22 DeuceDeuce is derived from sulfate of Potash, Potassium, and Ascophyllum nodosum. Potassium aids plants in enzymatic function, protein and cellulose formation, efficient...$126.65$192.99$133.65 -
Humboldt Nutrients
DeuceDeuce 5 gal.
DeuceDeuce 0-0-22 DeuceDeuce is derived from sulfate of Potash, Potassium, and Ascophyllum nodosum. Potassium aids plants in enzymatic function, protein and cellulose formation, efficient...$229.38$366.99$236.38 -
Humboldt Nutrients
FlavorFul 1 gal.
8% Refined Humic Acid Concentrate FlavorFul FlavorFul is a strong solution of 8% refined humic acid concentrate, a little-known and highly useful additive. The majority of refined humic acid formulas...$44.79$65.15$51.79 -
Humboldt Nutrients
Ginormous 1 gal.
GIANT flowers and ENORMOUS fruits are what we all want to harvest consistently throughout our lives. Humboldt Nutrients is here to help you accomplish that goal. Through extensive research and...$80.43$116.99$87.43 -
Humboldt Nutrients
Ginormous 2.5 gal.
GIANT flowers and ENORMOUS fruits are what we all want to harvest consistently throughout our lives. Humboldt Nutrients is here to help you accomplish that goal. Through extensive research and...$168.66$256.99$175.66 -
Humboldt Nutrients
Ginormous 32 oz.
GIANT flowers and ENORMOUS fruits are what we all want to harvest consistently throughout our lives. Humboldt Nutrients is here to help you accomplish that goal. Through extensive research and...$38.52 -
Humboldt Nutrients
Ginormous 5 gal.
GIANT flowers and ENORMOUS fruits are what we all want to harvest consistently throughout our lives. Humboldt Nutrients is here to help you accomplish that goal. Through extensive research and...$300.00$479.99$307.00 -
Humboldt Nutrients
Honey Organic ES 1 gal.
Humboldt Nutrients Humboldt Honey ES is a premium blend of cane molasses, yucca, kelp and ocean fish. This carb source is as unique as it is strong. The ES means Extra Strength. It increases brix...$59.13$85.99$66.13 -
Humboldt Nutrients
Honey Organic ES 2.5 gal.
Humboldt Nutrients Humboldt Honey ES is a premium blend of cane molasses, yucca, kelp and ocean fish. This carb source is as unique as it is strong. The ES means Extra Strength. It increases brix...$130.58$198.99$137.58 -
Humboldt Nutrients
Honey Organic ES 32 oz.
Humboldt Nutrients Humboldt Honey ES is a premium blend of cane molasses, yucca, kelp and ocean fish. This carb source is as unique as it is strong. The ES means Extra Strength. It increases brix...$30.24 -
Humboldt Nutrients
Honey Organic ES 5 gal.
Humboldt Nutrients Humboldt Honey ES is a premium blend of cane molasses, yucca, kelp and ocean fish. This carb source is as unique as it is strong. The ES means Extra Strength. It increases brix...$222.84$356.99$229.84 -
Humboldt Nutrients
Humboldt Roots 1 gal.
Humboldt Roots is a highly concentrated organic root growth supplement that expands the root zone during the critical growth stage. The soul of every plant resides in the roots. Many gardeners...$511.86$818.99$518.86 -
Humboldt Nutrients
Humboldt Roots 1/2 gal
Humboldt Roots is a highly concentrated organic root growth supplement that expands the root zone during the critical growth stage. The soul of every plant resides in the roots. Many gardeners...$282.50$451.99$289.50 -
Humboldt Nutrients
Humboldt Roots 125 ml.
Humboldt Roots is a highly concentrated organic root growth supplement that expands the root zone during the critical growth stage. The soul of every plant resides in the roots. Many gardeners...$36.74$48.99 -
Humboldt Nutrients
Humboldt Roots 250 ml.
Humboldt Roots is a highly concentrated organic root growth supplement that expands the root zone during the critical growth stage. The soul of every plant resides in the roots. Many gardeners...$56.38$81.99$63.38 -
Humboldt Nutrients
Humboldt Roots 50 ml.
Humboldt Roots is a highly concentrated organic root growth supplement that expands the root zone during the critical growth stage. The soul of every plant resides in the roots. Many gardeners...$18.40$24.52$24.52 -
Humboldt Nutrients
Master-A, 1 gal.
NPK 4-0-3 Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all plants made with non-toxic, high quality ingredients. Humboldt Nutrients has formulated this vigorous...$56.38$81.99$63.38 -
Humboldt Nutrients
Master-A, 32 oz.
NPK 4-0-3 Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all plants made with non-toxic, high quality ingredients. Humboldt Nutrients has formulated this vigorous...$30.24 -
Humboldt Nutrients
Master-A, 5 gal.
NPK 4-0-3 Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all plants made with non-toxic, high quality ingredients. Humboldt Nutrients has formulated this vigorous...$188.13$300.99$195.13 -
Humboldt Nutrients
Master-B, 1 gal.
NPK 1-5-6 Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all plants made with non-toxic, high quality ingredients. Humboldt Nutrients has formulated this vigorous...$56.38$81.99$63.38 -
Humboldt Nutrients
Master-B, 2.5 gal.
NPK 1-5-6 Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all plants made with non-toxic, high quality ingredients. Humboldt Nutrients has formulated this vigorous...$112.21$170.99$119.21 -
Humboldt Nutrients
Master-B, 32 oz.
NPK 1-5-6 Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all plants made with non-toxic, high quality ingredients. Humboldt Nutrients has formulated this vigorous...$30.24 -
Humboldt Nutrients
Master-B, 5 gal.
NPK 1-5-6 Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all plants made with non-toxic, high quality ingredients. Humboldt Nutrients has formulated this vigorous...$188.13$300.99$195.13 -
Humboldt Nutrients
Mayan Microzyme 32 oz.
NOT FOR SALE IN OREGON OR HAWAII Bacterial Complex with Biological Nitrogen Fixation (BNF) Mayan MicroZyme is a 100% organic and ecologically safe beneficial bacterial complex with multiple species...$72.88$105.99$79.88 -
Humboldt Nutrients
Mayan Microzyme 8 oz.
NOT FOR SALE IN OREGON OR HAWAII Bacterial Complex with Biological Nitrogen Fixation (BNF) Mayan MicroZyme is a 100% organic and ecologically safe beneficial bacterial complex with multiple species...$38.48 -
Humboldt Nutrients
MycoMadness 1 lb.
Not for sale in Hawaii Myco Madness is a soluble powder which contains a biologically active package: 9 mycorrhizal species, 15 beneficial bacteria and 2 trichoderma species well-suited to a variety...$72.19$104.99$79.19 -
Humboldt Nutrients
MycoMadness 2 oz.
Not for sale in Hawaii Myco Madness is a soluble powder which contains a biologically active package: 9 mycorrhizal species, 15 beneficial bacteria and 2 trichoderma species well-suited to a variety...$21.58 -
Humboldt Nutrients
MycoMadness 4 oz.
Not for sale in Hawaii Myco Madness is a soluble powder which contains a biologically active package: 9 mycorrhizal species, 15 beneficial bacteria and 2 trichoderma species well-suited to a variety...$33.58 -
Humboldt Nutrients
MycoMadness 5 lb.
Not for sale in Hawaii Myco Madness is a soluble powder which contains a biologically active package: 9 mycorrhizal species, 15 beneficial bacteria and 2 trichoderma species well-suited to a variety...$307.11$467.99$314.11 -
Humboldt Nutrients
MycoMadness 8 oz.
Not for sale in Hawaii Myco Madness is a soluble powder which contains a biologically active package: 9 mycorrhizal species, 15 beneficial bacteria and 2 trichoderma species well-suited to a variety...$39.89$57.99$46.89 -
Humboldt Nutrients
Oneness 2.5 gal.
Oneness 5-9-4 Through extensive research and development, the Humboldt Nutrients team of agronomists and chemists have created the first naturally chelated one-part formula on the market. Oneness...$142.56$217.24$149.56 -
Humboldt Nutrients
Oneness 32 oz.
Oneness 5-9-4 Through extensive research and development, the Humboldt Nutrients team of agronomists and chemists have created the first naturally chelated one-part formula on the market. Oneness...$29.40 -
Humboldt Nutrients
ProZyme 32 oz.
Enzymatic Concentrate ProZyme Enzymes are biological catalysts, derived from living organisms. Catalysts increase the speed of naturally occurring chemical reactions. Prozyme, is a concentrate, made...$35.26$46.99 -
Humboldt Nutrients
ProZyme 5 gal.
Enzymatic Concentrate ProZyme Enzymes are biological catalysts, derived from living organisms. Catalysts increase the speed of naturally occurring chemical reactions. Prozyme, is a concentrate, made...$482.50$771.99$489.50 -
Humboldt Nutrients
Verde 15 gallon
Verde 16-1-2 It's Spanish for green. Lush green colors and vigorous growth are what you can expect with Verde. Used as a foliar spray or as a growth enhancer for hydroponic or soil crops, Verde keeps...$745.63$1,192.99$752.63 -
Humboldt Nutrients
Verde 2.5 gal.
Verde 16-1-2 It's Spanish for green. Lush green colors and vigorous growth are what you can expect with Verde. Used as a foliar spray or as a growth enhancer for hydroponic or soil crops, Verde keeps...$150.45$228.99$157.45 -
Humboldt Nutrients
Verde 32 oz.
Verde 16-1-2 It's Spanish for green. Lush green colors and vigorous growth are what you can expect with Verde. Used as a foliar spray or as a growth enhancer for hydroponic or soil crops, Verde keeps...$30.00 -
Humboldt Nutrients
Verde 5 gal.
Verde 16-1-2 It's Spanish for green. Lush green colors and vigorous growth are what you can expect with Verde. Used as a foliar spray or as a growth enhancer for hydroponic or soil crops, Verde keeps...$270.81$432.99$277.81 -
Humboldt Nutrients
Verde 55 gal.
Verde 16-1-2 It's Spanish for green. Lush green colors and vigorous growth are what you can expect with Verde. Used as a foliar spray or as a growth enhancer for hydroponic or soil crops, Verde keeps...$2,537.63$4,048.99 -
Humboldt Nutrients
Verde gal.
Verde 16-1-2 It's Spanish for green. Lush green colors and vigorous growth are what you can expect with Verde. Used as a foliar spray or as a growth enhancer for hydroponic or soil crops, Verde keeps...$65.96$95.99$72.96