Brand

Close
$19.97

Humboldt Nutrients White Widow, 1 oz

Mycorrhizal inoculants are crucial to sustaining a healthy, expansive root zone. Humboldt Nutrients is proud to launch our newest and most powerful soluble mycorrh...

Humboldt Nutrients 3-Part Box Starter Kit

Humboldt Nutrients Conventional Three-Part Basic Starter Kit provides the three primary nutrient solutions—Grow, Micro, and Bloom—of their 3-part gardening schedule an...

Close
$12.36

Humboldt Nutrients Sticky, 8 oz

Humboldt Sticky is a premium sticking and wetting agent which has been extensively tested in Northern California with phenomenal results, and is formulated using premi...

Close
$33.42

Humboldt Nutrients Ginormous, 1 qt

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. Thro...

Close
$13.03

Humboldt Nutrients Grow, 1 qt

Grow 2-1-6 Humboldt Nutrients Grow formula, was designed in Humboldt County to be used with our Micro and Bloom to be a complete growing nutrient system for hydroponi...

Close
$65.15

Humboldt Nutrients FlavorFul, 1 qt

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 major...

White Widow 8 oz.

Mycorrhizal inoculants are crucial to sustaining a healthy, expansive root zone. Humboldt Nutrients is proud to launch our newest and most powerful soluble mycorrhizae...

$107.55$118.319% off

White Widow 8 oz.

$107.55$118.319% off
$107.55 $118.31 10% off

White Widow 8 oz.

Sold:

White Widow 4 oz.

Mycorrhizal inoculants are crucial to sustaining a healthy, expansive root zone. Humboldt Nutrients is proud to launch our newest and most powerful soluble mycorrhizae...

$60.97$67.079% off

White Widow 4 oz.

$60.97$67.079% off
$60.97 $67.07 10% off

White Widow 4 oz.

Sold:

White Widow 2oz

Mycorrhizal inoculants are crucial to sustaining a healthy, expansive root zone. Humboldt Nutrients is proud to launch our newest and most powerful soluble mycorrhizae...

$34.76$38.249% off

White Widow 2oz

$34.76$38.249% off
$34.76 $38.24 10% off

White Widow 2oz

Sold:

White Widow 1lb

Mycorrhizal inoculants are crucial to sustaining a healthy, expansive root zone. Humboldt Nutrients is proud to launch our newest and most powerful soluble mycorrhizae...

$204.36$224.809% off

White Widow 1lb

$204.36$224.809% off
$204.36 $224.80 10% off

White Widow 1lb

Sold:

White Widow 1 oz.

Mycorrhizal inoculants are crucial to sustaining a healthy, expansive root zone. Humboldt Nutrients is proud to launch our newest and most powerful soluble mycorrh...

$19.97$21.979% off

White Widow 1 oz.

$19.97$21.979% off
$19.97 $21.97 10% off

White Widow 1 oz.

Sold:

Verde Power Pallet

HUMBOLDT NUTRIENTS VERDE POWER PALLET 12 bottles - 5 gallon size 12 cases - 2.5 gallon bottles 12 cases - 1 gallon bottles 4 cases - 1 quart bottles 1 B...

$14,782.56

Verde Power Pallet

Sold:

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 catalyst for hydr...

$3,855.91$4,241.509% off

Verde 55 gal.

$3,855.91$4,241.509% off
$3,855.91 $4,241.50 10% off

Verde 55 gal.

Sold:

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 catalyst for hydr...

$1,136.12$1,249.739% off

Verde 15 gallon

$1,136.12$1,249.739% off
$1,136.12 $1,249.73 10% off

Verde 15 gallon

Sold:

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 hydr...

$409.00$449.909% off

Verde 5 gal.

$409.00$449.909% off
$409.00 $449.90 10% off

Verde 5 gal.

Sold:

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 hydr...

$215.85$237.449% off

Verde 2.5 gal.

$215.85$237.449% off
$215.85 $237.44 10% off

Verde 2.5 gal.

Sold:

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 hydr...

$90.91$100.009% off

Verde gal.

$90.91$100.009% off
$90.91 $100.00 10% off

Verde gal.

Sold:

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 hydr...

$25.58$28.149% off

Verde 32 oz.

$25.58$28.149% off
$25.58 $28.14 10% off

Verde 32 oz.

Sold:

Royal Flush 5 Gal

A high quality crop needs a clean and effective flush to reach its full potential. By flushing your crops, you remove heavy elements and salts from the plant, allowing...

$150.39

Royal Flush 5 Gal

Sold:

ProZyme 55 gal.

Enzymatic Concentrate ProZyme Enzymes are biological catalysts, derived from living organisms. Catalysts increase the speed of naturally occurring chemical reactions....

ProZyme 55 gal.

$6,943.76
$6,943.76

ProZyme 55 gal.

Sold:

ProZyme 15 gal.

Enzymatic Concentrate ProZyme Enzymes are biological catalysts, derived from living organisms. Catalysts increase the speed of naturally occurring chemical reactions....

$2,172.42$2,389.669% off

ProZyme 15 gal.

$2,172.42$2,389.669% off
$2,172.42 $2,389.66 10% off

ProZyme 15 gal.

Sold:

ProZyme 5 gal.

Enzymatic Concentrate ProZyme Enzymes are biological catalysts, derived from living organisms. Catalysts increase the speed of naturally occurring chemical reactions....

$735.27$808.809% off

ProZyme 5 gal.

$735.27$808.809% off
$735.27 $808.80 10% off

ProZyme 5 gal.

Sold:

ProZyme gal.

Enzymatic Concentrate ProZyme Enzymes are biological catalysts, derived from living organisms. Catalysts increase the speed of naturally occurring chemical reactions....

$155.97$171.579% off

ProZyme gal.

$155.97$171.579% off
$155.97 $171.57 10% off

ProZyme gal.

Sold:

ProZyme 32 oz.

Enzymatic Concentrate ProZyme Enzymes are biological catalysts, derived from living organisms. Catalysts increase the speed of naturally occurring chemical reactions....

$44.58$49.049% off

ProZyme 32 oz.

$44.58$49.049% off
$44.58 $49.04 10% off

ProZyme 32 oz.

Sold:

Grow Natural 15 gal.

Grow Natural 3-1-3 Humboldt Nutrients Grow Natural is an ultra-concentrated natural grow formula designed to give your plants the nutrient-rich foundations needed dur...

$1,303.45$1,433.809% off

Grow Natural 15 gal.

$1,303.45$1,433.809% off
$1,303.45 $1,433.80 10% off

Grow Natural 15 gal.

Sold:

Grow Natural 5 gal.

Grow Natural 3-1-3 Humboldt Nutrients Grow Natural is an ultra-concentrated natural grow formula designed to give your plants the nutrient-rich foundations needed dur...

$469.24$516.169% off

Grow Natural 5 gal.

$469.24$516.169% off
$469.24 $516.16 10% off

Grow Natural 5 gal.

Sold:

Grow Natural 2.5 gal.

Grow Natural 3-1-3 Humboldt Nutrients Grow Natural is an ultra-concentrated natural grow formula designed to give your plants the nutrient-rich foundations needed dur...

$247.67$272.449% off

Grow Natural 2.5 gal.

$247.67$272.449% off
$247.67 $272.44 10% off

Grow Natural 2.5 gal.

Sold:

Grow Natural gal.

Grow Natural 3-1-3 Humboldt Nutrients Grow Natural is an ultra-concentrated natural grow formula designed to give your plants the nutrient-rich foundations needed dur...

$104.27$114.709% off

Grow Natural gal.

$104.27$114.709% off
$104.27 $114.70 10% off

Grow Natural gal.

Sold:

Grow Natural 32 oz.

Grow Natural 3-1-3 Humboldt Nutrients Grow Natural is an ultra-concentrated natural grow formula designed to give your plants the nutrient-rich foundations needed dur...

$29.33$32.269% off

Grow Natural 32 oz.

$29.33$32.269% off
$29.33 $32.26 10% off

Grow Natural 32 oz.

Sold:

Bloom Natural 15 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-con...

$1,303.45$1,433.809% off

Bloom Natural 15 gal.

$1,303.45$1,433.809% off
$1,303.45 $1,433.80 10% off

Bloom Natural 15 gal.

Sold:

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-con...

$469.24$516.169% off

Bloom Natural 5 gal.

$469.24$516.169% off
$469.24 $516.16 10% off

Bloom Natural 5 gal.

Sold:

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-con...

$247.67$272.449% off

Bloom Natural 2.5 gal.

$247.67$272.449% off
$247.67 $272.44 10% off

Bloom Natural 2.5 gal.

Sold:

Bloom Natural 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-con...

$104.27$114.709% off

Bloom Natural gal.

$104.27$114.709% off
$104.27 $114.70 10% off

Bloom Natural gal.

Sold:

Bloom Natural 32 oz.

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-con...

$29.33$32.269% off

Bloom Natural 32 oz.

$29.33$32.269% off
$29.33 $32.26 10% off

Bloom Natural 32 oz.

Sold:

Oneness 15 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 f...

$1,169.76$1,286.749% off

Oneness 15 gal.

$1,169.76$1,286.749% off
$1,169.76 $1,286.74 10% off

Oneness 15 gal.

Sold:

SPO Oneness 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 f...

$406.64$447.309% off

SPO Oneness 5 gal.

$406.64$447.309% off
$406.64 $447.30 10% off

SPO Oneness 5 gal.

Sold:

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 f...

$217.24$238.969% off

Oneness 2.5 gal.

$217.24$238.969% off
$217.24 $238.96 10% off

Oneness 2.5 gal.

Sold:

Oneness 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 f...

$94.79$104.279% off

Oneness gal.

$94.79$104.279% off
$94.79 $104.27 10% off

Oneness gal.

Sold:

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 f...

$26.73$29.409% off

Oneness 32 oz.

$26.73$29.409% off
$26.73 $29.40 10% off

Oneness 32 oz.

Sold:

MycoMadness 120 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 ...

$8,390.78$9,229.869% off

MycoMadness 120 lb.

$8,390.78$9,229.869% off
$8,390.78 $9,229.86 10% off

MycoMadness 120 lb.

Sold:

MycoMadness 20 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 ...

$1,631.53$1,794.689% off

MycoMadness 20 lb.

$1,631.53$1,794.689% off
$1,631.53 $1,794.68 10% off

MycoMadness 20 lb.

Sold:

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 ...

$445.64$490.209% off

MycoMadness 5 lb.

$445.64$490.209% off
$445.64 $490.20 10% off

MycoMadness 5 lb.

Sold:

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 ...

$100.27$110.309% off

MycoMadness 1 lb.

$100.27$110.309% off
$100.27 $110.30 10% off

MycoMadness 1 lb.

Sold:

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 ...

$55.70$61.279% off

MycoMadness 8 oz.

$55.70$61.279% off
$55.70 $61.27 10% off

MycoMadness 8 oz.

Sold:

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 ...

$28.97$31.879% off

MycoMadness 4 oz.

$28.97$31.879% off
$28.97 $31.87 10% off

MycoMadness 4 oz.

Sold:

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 trichode...

$16.67$18.349% off

MycoMadness 2 oz.

$16.67$18.349% off
$16.67 $18.34 10% off

MycoMadness 2 oz.

Sold:

Mayan Microzyme 1 gal.

NOT FOR SALE IN OREGON OR HAWAII Bacterial Complex with Biological Nitrogen Fixation (BNF) Mayan MicroZyme is a 100% organic and ecologically safe beneficial bacteri...

$345.80$380.389% off

Mayan Microzyme 1 gal.

$345.80$380.389% off
$345.80 $380.38 10% off

Mayan Microzyme 1 gal.

Sold:

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 bacteri...

$33.55$36.919% off

Mayan Microzyme 8 oz.

$33.55$36.919% off
$33.55 $36.91 10% off

Mayan Microzyme 8 oz.

Sold:

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 bacteri...

$101.12$111.239% off

Mayan Microzyme 32 oz.

$101.12$111.239% off
$101.12 $111.23 10% off

Mayan Microzyme 32 oz.

Sold:

Mayan Microzyme 16 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 bacteri...

$57.64$63.409% off

Mayan Microzyme 16 oz.

$57.64$63.409% off
$57.64 $63.40 10% off

Mayan Microzyme 16 oz.

Sold: