Quick view Details Humboldt Nutrients | sku: HNCM405 Calyx Magnum Quart MSRP: $21.99 Was: $21.99 Now: $14.30 View Details
Quick view Details Humboldt Nutrients | sku: HNP420 ProZyme 5 gal. MSRP: $771.99 Was: $771.99 Now: $424.60 View Details
Quick view Details Humboldt Nutrients | sku: HNOB420 Bloom Natural 5 gal. MSRP: $492.99 Was: $492.99 Now: $271.15 View Details
Quick view Details Humboldt Nutrients | sku: HNOB415 Bloom Natural 2.5 gal. MSRP: $259.99 Was: $259.99 Now: $149.50 View Details
Quick view Details Humboldt Nutrients | sku: HNMMA415 MycoMadness 5 lb. MSRP: $467.99 Was: $467.99 Now: $269.09 View Details
Quick view Details Humboldt Nutrients | sku: HNMMA200 MycoMadness 2 oz. MSRP: $17.99 Was: $17.99 Now: $11.69 View Details
Quick view Details Humboldt Nutrients | sku: HNMB420 Master-B, 5 gal. MSRP: $300.99 Was: $300.99 Now: $165.55 Add to Cart
Quick view Details Humboldt Nutrients | sku: HNMB415 Master-B, 2.5 gal. MSRP: $170.99 Was: $170.99 Now: $98.32 View Details
Quick view Details Humboldt Nutrients | sku: HNMA420 Master-A, 5 gal. MSRP: $300.99 Was: $300.99 Now: $165.55 View Details
Quick view Details Humboldt Nutrients | sku: HNHR401 Humboldt Roots 50 ml. MSRP: $24.52 Was: $24.52 Now: $10.43 View Details
Quick view Details Humboldt Nutrients | sku: HNHG420 Ginormous 5 gal. MSRP: $479.99 Was: $479.99 Now: $264.00 Add to Cart
Quick view Details Humboldt Nutrients | sku: HNDD420 DeuceDeuce 5 gal. MSRP: $366.99 Was: $366.99 Now: $201.85 View Details
Quick view Details Humboldt Nutrients | sku: HNCM410 Calyx Magnum Gal MSRP: $53.99 Was: $53.99 Now: $32.41 View Details
Quick view Details Humboldt Nutrients | sku: HNBUP430 Big Up Powder 20 lbs MSRP: $818.99 Was: $818.99 Now: $450.44 View Details
Quick view Details Humboldt Nutrients | sku: HNV415 Verde 2.5 gal. MSRP: $244.99 Was: $244.99 Now: $135.07 View Details
Quick view Details Humboldt Nutrients | sku: HNHR425 Humboldt Roots 1 gal. MSRP: $818.99 Was: $818.99 Now: $450.44 Add to Cart
Quick view Details Humboldt Nutrients | sku: HNHHO420 Honey Organic ES 5 gal. MSRP: $381.99 Was: $381.99 Now: $210.10 View Details
Quick view Details Humboldt Nutrients | sku: HNV420 Verde 5 gal. MSRP: $463.99 Was: $463.99 Now: $255.34 Add to Cart
Quick view Details Humboldt Nutrients | sku: HNBUP425 Big Up Powder 10 lbs MSRP: $500.99 Was: $500.99 Now: $275.36 Add to Cart
Quick view Details Humboldt Nutrients | sku: HNDD415 DeuceDeuce 2.5 gal. MSRP: $192.99 Was: $192.99 Now: $110.97 View Details
Quick view Details Humboldt Nutrients | sku: HNHG405 Ginormous Quart MSRP: $34.99 Was: $34.99 Now: $21.01 Add to Cart
Quick view Details Humboldt Nutrients | sku: HNP405 ProZyme 32 oz. MSRP: $46.99 Was: $46.99 Now: $19.98 View Details
Quick view Details Humboldt Nutrients | sku: HNO405 Oneness 32 oz. MSRP: $26.73 Was: $26.73 Now: $16.04 View Details
Quick view Details Humboldt Nutrients | sku: HNMMA410 MycoMadness 1 lb. MSRP: $104.99 Was: $104.99 Now: $63.00 View Details
Quick view Details Humboldt Nutrients | sku: HNMMA405 MycoMadness 8 oz. MSRP: $57.99 Was: $57.99 Now: $34.81 View Details
Quick view Details Humboldt Nutrients | sku: HNMMA400 MycoMadness 4 oz. MSRP: $30.49 Was: $30.49 Now: $18.31 View Details
Quick view Details Humboldt Nutrients | sku: HNHR420 Humboldt Roots 1/2 Gallon MSRP: $451.99 Was: $451.99 Now: $248.60 Add to Cart
Quick view Details Humboldt Nutrients | sku: HNMB410 Master-B, 1 gal. MSRP: $81.99 Was: $81.99 Now: $49.20 View Details
Quick view Details Humboldt Nutrients | sku: HNMB405 Master-B, 32 oz. MSRP: $27.49 Was: $27.49 Now: $16.49 View Details
Quick view Details Humboldt Nutrients | sku: HNHR410 Humboldt Roots 250ml MSRP: $81.99 Was: $81.99 Now: $49.20 Add to Cart
Quick view Details Humboldt Nutrients | sku: HNMA410 Master-A, 1 gal. MSRP: $81.99 Was: $81.99 Now: $49.20 View Details
Quick view Details Humboldt Nutrients | sku: HNHR400 Humboldt Roots 125ml MSRP: $48.99 Was: $48.99 Now: $20.82 View Details
Quick view Humboldt Nutrients | sku: HNCM405 Calyx Magnum Quart 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... MSRP: $21.99 Was: $21.99 Now: $14.30 View Details
Quick view Humboldt Nutrients | sku: HNP420 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... MSRP: $771.99 Was: $771.99 Now: $424.60 View Details
Quick view Humboldt Nutrients | sku: HNOB420 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... MSRP: $492.99 Was: $492.99 Now: $271.15 View Details
Quick view Humboldt Nutrients | sku: HNOB415 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... MSRP: $259.99 Was: $259.99 Now: $149.50 View Details
Quick view Humboldt Nutrients | sku: HNMMA415 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... MSRP: $467.99 Was: $467.99 Now: $269.09 View Details
Quick view Humboldt Nutrients | sku: HNMMA200 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... MSRP: $17.99 Was: $17.99 Now: $11.69 View Details
Quick view Humboldt Nutrients | sku: HNMB420 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... MSRP: $300.99 Was: $300.99 Now: $165.55 Add to Cart
Quick view Humboldt Nutrients | sku: HNMB415 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... MSRP: $170.99 Was: $170.99 Now: $98.32 View Details
Quick view Humboldt Nutrients | sku: HNMA420 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... MSRP: $300.99 Was: $300.99 Now: $165.55 View Details
Quick view Humboldt Nutrients | sku: HNHR401 Humboldt Roots 50 ml. Humboldt Roots is a highly concentrated organic root stimulant that expands the root zone during the critical growth stage. The soul of every plant resides in the roots. Many gardeners neglect this... MSRP: $24.52 Was: $24.52 Now: $10.43 View Details
Quick view Humboldt Nutrients | sku: HNHG420 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... MSRP: $479.99 Was: $479.99 Now: $264.00 Add to Cart
Quick view Humboldt Nutrients | sku: HNDD420 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... MSRP: $366.99 Was: $366.99 Now: $201.85 View Details
Quick view Humboldt Nutrients | sku: HNCM410 Calyx Magnum Gal 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... MSRP: $53.99 Was: $53.99 Now: $32.41 View Details
Quick view Humboldt Nutrients | sku: HNBUP430 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... MSRP: $818.99 Was: $818.99 Now: $450.44 View Details
Quick view Humboldt Nutrients | sku: HNV415 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 catalyst for hydroponic or soil crops, Verde... MSRP: $244.99 Was: $244.99 Now: $135.07 View Details
Quick view Humboldt Nutrients | sku: HNHR425 Humboldt Roots 1 gal. Humboldt Roots is a highly concentrated organic root stimulant that expands the root zone during the critical growth stage. The soul of every plant resides in the roots. Many gardeners neglect this... MSRP: $818.99 Was: $818.99 Now: $450.44 Add to Cart
Quick view Humboldt Nutrients | sku: HNHHO420 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... MSRP: $381.99 Was: $381.99 Now: $210.10 View Details
Quick view Humboldt Nutrients | sku: HNV420 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 catalyst for hydroponic or soil crops, Verde... MSRP: $463.99 Was: $463.99 Now: $255.34 Add to Cart
Quick view Humboldt Nutrients | sku: HNBUP425 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... MSRP: $500.99 Was: $500.99 Now: $275.36 Add to Cart
Quick view Humboldt Nutrients | sku: HNDD415 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... MSRP: $192.99 Was: $192.99 Now: $110.97 View Details
Quick view Humboldt Nutrients | sku: HNHG405 Ginormous Quart 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... MSRP: $34.99 Was: $34.99 Now: $21.01 Add to Cart
Quick view Humboldt Nutrients | sku: HNP405 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... MSRP: $46.99 Was: $46.99 Now: $19.98 View Details
Quick view Humboldt Nutrients | sku: HNO405 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... MSRP: $26.73 Was: $26.73 Now: $16.04 View Details
Quick view Humboldt Nutrients | sku: HNMMA410 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... MSRP: $104.99 Was: $104.99 Now: $63.00 View Details
Quick view Humboldt Nutrients | sku: HNMMA405 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... MSRP: $57.99 Was: $57.99 Now: $34.81 View Details
Quick view Humboldt Nutrients | sku: HNMMA400 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... MSRP: $30.49 Was: $30.49 Now: $18.31 View Details
Quick view Humboldt Nutrients | sku: HNHR420 Humboldt Roots 1/2 Gallon Humboldt Roots is a highly concentrated organic root stimulant that expands the root zone during the critical growth stage. The soul of every plant resides in the roots. Many gardeners neglect this... MSRP: $451.99 Was: $451.99 Now: $248.60 Add to Cart
Quick view Humboldt Nutrients | sku: HNMB410 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... MSRP: $81.99 Was: $81.99 Now: $49.20 View Details
Quick view Humboldt Nutrients | sku: HNMB405 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... MSRP: $27.49 Was: $27.49 Now: $16.49 View Details
Quick view Humboldt Nutrients | sku: HNHR410 Humboldt Roots 250ml Humboldt Roots is a highly concentrated organic root stimulant that expands the root zone during the critical growth stage. The soul of every plant resides in the roots. Many gardeners neglect this... MSRP: $81.99 Was: $81.99 Now: $49.20 Add to Cart
Quick view Humboldt Nutrients | sku: HNMA410 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... MSRP: $81.99 Was: $81.99 Now: $49.20 View Details
Quick view Humboldt Nutrients | sku: HNHR400 Humboldt Roots 125ml Humboldt Roots is a highly concentrated organic root stimulant that expands the root zone during the critical growth stage. The soul of every plant resides in the roots. Many gardeners neglect this... MSRP: $48.99 Was: $48.99 Now: $20.82 View Details