Quick view Details Humboldt Nutrients | sku: HNCM405 Calyx Magnum Quart MSRP: $21.99 Was: $21.99 Now: $15.46 View Details
Quick view Details Humboldt Nutrients | sku: HNOB415 Bloom Natural 2.5 gal. MSRP: $259.99 Was: $259.99 Now: $161.68 View Details
Quick view Details Humboldt Nutrients | sku: HNMB420 Master-B, 5 gal. MSRP: $300.99 Was: $300.99 Now: $179.04 Add to Cart
Quick view Details Humboldt Nutrients | sku: HNV415 Verde 2.5 gal. MSRP: $244.99 Was: $244.99 Now: $141.22 Add to Cart
Quick view Details Humboldt Nutrients | sku: HNHR425 Humboldt Roots 1 gal. MSRP: $818.99 Was: $818.99 Now: $487.15 Add to Cart
Quick view Details Humboldt Nutrients | sku: HNHHO420 Honey Organic ES 5 gal. MSRP: $381.99 Was: $381.99 Now: $210.10 Add to Cart
Quick view Details Humboldt Nutrients | sku: HNV420 Verde 5 gal. MSRP: $463.99 Was: $463.99 Now: $255.35 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: HNMMA405 MycoMadness 8 oz. MSRP: $57.99 Was: $57.99 Now: $37.65 View Details
Quick view Details Humboldt Nutrients | sku: HNHR420 Humboldt Roots 1/2 Gallon MSRP: $451.99 Was: $451.99 Now: $268.86 Add to Cart
Quick view Details Humboldt Nutrients | sku: HNHR410 Humboldt Roots 250ml MSRP: $81.99 Was: $81.99 Now: $53.21 Add to Cart
Quick view Details Humboldt Nutrients | sku: HNHR400 Humboldt Roots 125ml MSRP: $48.99 Was: $48.99 Now: $22.52 View Details
Quick view Details Humboldt Nutrients | sku: HNHHO415 Honey Organic ES 2.5 gal. MSRP: $212.99 Was: $212.99 Now: $122.56 Add to Cart
Quick view Details Humboldt Nutrients | sku: HNV410 Verde gal. MSRP: $102.99 Was: $102.99 Now: $61.67 Add to Cart
Quick view Details Humboldt Nutrients | sku: HNV405 Verde 32 oz. MSRP: $28.99 Was: $28.99 Now: $17.52 Add to Cart
Quick view Details Humboldt Nutrients | sku: HNMM405 Mayan MicroZyme Quart MSRP: $105.99 Was: $105.99 Now: $68.78 View Details
Quick view Details Humboldt Nutrients | sku: HNMM408 Mayan MicroZyme 8 oz MSRP: $34.99 Was: $34.99 Now: $22.70 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: $15.46 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: $161.68 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: $179.04 Add to Cart
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: $141.22 Add to Cart
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: $487.15 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 Add to Cart
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: $255.35 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: 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: $37.65 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: $268.86 Add to Cart
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: $53.21 Add to Cart
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: $22.52 View Details
Quick view Humboldt Nutrients | sku: HNHHO415 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... MSRP: $212.99 Was: $212.99 Now: $122.56 Add to Cart
Quick view Humboldt Nutrients | sku: HNV410 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 catalyst for hydroponic or soil crops, Verde... MSRP: $102.99 Was: $102.99 Now: $61.67 Add to Cart
Quick view Humboldt Nutrients | sku: HNV405 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 catalyst for hydroponic or soil crops, Verde... MSRP: $28.99 Was: $28.99 Now: $17.52 Add to Cart
Quick view Humboldt Nutrients | sku: HNMM405 Mayan MicroZyme Quart 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... MSRP: $105.99 Was: $105.99 Now: $68.78 View Details
Quick view Humboldt Nutrients | sku: HNMM408 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... MSRP: $34.99 Was: $34.99 Now: $22.70 View Details