Upgrade Your Life with Humboldt Nutrients

From new arrivals to best-sellers, discover Humboldt Nutrients that match your taste.

Humboldts Secret World's Best Plant Food Golden Tree - Plant Savior, Yield Increaser and More

4.4

108 Br

World's Best Base Nutrient System: Humboldts Secret Base A & B Bundle - Liquid Nutrient / Fertilizer For The Vegetative & Flowering Stages of Plants (2 Gallons)

4.5

1 048 Br

success EMIRATES BIOFERT Hydroponic Nutrient Solutions A & B Bundle 10 liter each – Supports Vegetative and Flowering Stages of Plants

1.0

3 139 Br

Humboldt Nutrients NB405 Master B, 32-Ounce

FREE

Humboldts Secret Sweet & Sticky – Carbohydrate and Saccharide Energy Source – Enhance Aroma and Flavor of Plants – Potting Soil for Indoor Plants – Energy for Plants – 32 Ounces

4.6

495 Br

Humboldt Nutrients Master B 32oz

FREE

Plant SuccessGreat White Mycorrhizal Fungi 9-Strain 387 Spores/gram, 6 Million CFU/gram Bacteria, 2-Strains Trichoderma, Root Stimulator, Treats 4,000 Plants, Concentrated 3-in-1 Formula

4.7

584 Br

Humboldt Nutrients HNHG410 1-Gallon Ginormous

4.4

954 Br

SUPERthrive The Original Vitamin Solution - Liquid Concentrate, May Add to Any Fertilizing Program, 4 fl. oz.

4.6

383 Br

Humboldt Nutrients Big up Powder, 10-Pound Nutrient, White, 10 Pound

4.7

5 609 Br

Hydrofarm Humboldt Nutrients HNRF405 32-Ounce Humboldt Nutrients Royal Flush

90 Br

Humboldts Secret Flower Stacker – Flowering Plant Food – Nutrient System for Potting Soil for Indoor & Outdoor Plants – 1 Gallon

4.6

1 175 Br

Humboldts Secret Calcium, Magnesium and Iron Supplement – Hydroponic Supplies – Liquid Nutrient Fertilizer – Supports Vegetative and Flowering Stage – 1 Gallon

4.6

1 369 Br

Terpinator RZF10010, 1L Fertilizer Nutrient, (1 Quart/0.946 Liters) Brown

FREE

HUMBOLDT Nutrients Grow Natural 473ml

140 BYN

Hydrofarm Humboldt Nutrients HNHG410 1-Gallon Humboldt Nutrients Ginormous

4.5

303 Br

Bluelab BLU8000 PENGTB Grower's Toolbox with pH

4.3

1 269 Br

Humboldt Nutrients V405 Verde, 32-Ounce

634 Br

Advanced NutrientsBud Candy - 1L

4.6

659 Br

Humboldts Secret Golden Tree: World's Best Fertilizer (2.5 Gallon)

4.5

7 849 Br

Humboldt Nutrients HNMMA405 8-Ounce Humboldt MycoMadness Nutrient

333 Br

Humboldt NutrientsV405 Verde , 32-Ounce

4.6

495 Br

Humboldts Secret Set of A & B Liquid Hydroponics Fertilizer - World's Best Nutrient System – Hydroponic Nutrients for Outdoor, Indoor Plants – Supports Vegetative and Flowering Stages of Plants

4.5

2 469 Br

Humboldts Secret Tree Trunk - Silicate Additive - Advanced Nutrients - Helps Plants Flourish - Indoor Plant Food - Hydroponic Nutrients - Liquid Fertilizer (32 Ounce)

4.6

480 Br

Humboldts Secret Starter Kit Pack – World's Best Indoor & Outdoor Plant Fertilizer and Nutrient System: Base A & B – Golden Tree – Flower Stacker – Plant Enzymes – CalMag & Iron

4.6

1 529 Br

Humboldt Nutrients HNOB415 Bloom Natural Ultra-Concentrate Formula 0-10-0, 2.5 Gallon White

1 029 Br

Humboldt NutrientsHNH410 1-Gallon Hum-Bolt Humic Acid Solution

4.7

1 389 Br

Humboldt Nutrients BUP410 Big Up Powder , 1-Pound

4.7

539 Br

Humboldt NutrientsM405 Micro , 32-Ounce

4.5

102 Br

Humboldt Nutrients Big Up Powder 5 lb

844 Br

Humboldt Nutrients NB405 Master B, 32-Ounce

431 Br

Humboldt Nutrients HNMMA405 8-Ounce Humboldt MycoMadness Nutrient

450 Br

Humboldt Nutrients Natural Bloom Quart (12/Cs)

487 Br

Humboldt Nutrients HNF410 1 gal. 1-Gallon Flavorful Solution, 1 Gallon

4.8

202 Br

Humboldt Nutrients Master A 2.5 Gallon

378 Br

Humboldt Nutrients DD405 32-Ounce Humboldt Nutrients DeuceDeuce 0-0-22 Organic Potassium Additive

FREE

Humboldt Nutrients P405 Prozyme , 32-Ounce

4.2

162 Br

Humboldt Nutrients HNOB410 1-Gallon, Bloom Natural Ultra-Concentrate Formula 0-10-0

634 BYN

HumboldtNutrients Calyx Magnum Quart

5.0

163 Br

Humboldt County's OwnGravitation G10 1 Gallon

4.5

2 139 Br

Humboldt Nutrients HNG410 1-Gallon Grow 2-1-6 Formula

4.5

1 259 Br

Humboldt Nutrients HNMB410 Humboldt Master Amino Bloom B, 1 Gallon

3.9

172 Br

Humboldt Nutrients Humboldt Honey Organics ES Gallon

286 Br

Humboldts Secret Plant Enzymes – Best Plant and Root Enzymes – 7000 Active Units of Enzyme per Milliliter – Quality Plant Food and Plant Fertilizer – Highly Concentrated – 2 Ounce

4.6

348 Br

Master A Gal - Humboldt Nutrients - Organic Gardening and Hydroponics

5.0

260 Br

1 gal. - Verde - Vegetative Stimulator - Hydroponic Nutrient Solution - 16-1-2 NPK Ratio - Humboldt Nutrients HNV410

4.2

1 509 Br

Humboldts Secret Flower Stacker – Best Flowering Formula for Bigger Harvests - Flowering Plant Food – Nutrient System for Potting Soil for Indoor & Outdoor Plants – 1 Gallon

1 054 Br

Humboldt Nutrients HNHH410 Nutrient, 1 Gallon

4.2

288 BYN

Humboldt Nutrients HNHHO415 2.5-Gallon Extra Strength Honey Organic Ferilizer

4.7

1 589 Br

Snow StormUltra. 1 Quart

4.6

764 Br

Humboldt Nutrients HNB410 1-Gallon, NPK 0-6-5 Formula Bloom, 1 Gal, 1 Gallon

4.3

143 Br

Humboldt County's OwnCrystal Burst, Gallon

4.4

287 Br

Ferocious 960ml - Jungle Control - Plant Optimiser

4.7

313 Br

Humboldt HNSI405 Structural Integrity Germination Kit, 32-Ounce

125 Br

Humboldt 722917 Nutrients Calyx Magnum Fertilizer

412 BYN

FOOPNutes Veg & Bloom Starter Pack: Get Fat Roots, Thick Stalks, Tight Buds, Awesome Terpenes, and an Explosion of Trichomes | Certified Organic | Five 32oz Bottles

4.4

1 809 Br

SUPERthrive VI30162 Plant Vitamin Solution

4.7

709 Br

FoxFarm Fertilizer Soil Trio Liquid Nutrient: Tiger Bloom, Grow Big, Big Bloom Gallon Bottles - (Pack of 3-1 Pint)

4.7

1 039 Br

General Hydroponics Flora Series: FloraMicro, FloraBloom, FloraGro - 3-Part Hydroponic Nutrient System, 1 qt. Bottles

4.7

1 299 Br

Humboldt County's OwnPurple Maxx - Gallon

4.6

538 Br

Liquid Nutrients, For Use in Hydroponics and Soil, 1 qt.

4.6

346 Br

Humboldt Nutrients Humboldt Nutrients Verde, 32 oz.

219 Br

Snow Storm Ultra, 5 Gal

4.4

7 779 Br

Humboldts SecretSweet & Sticky (32 Ounce)

4.6

1 279 Br

32 Oz. Humboldt Countys Own Deep Fusion Grow Soil Plant Nutrients

4

219 BYN

Humboldt County's Own Purple Maxx, Gallon

428 Br

Humboldt NutrientsHumboldt Roots 50 ml (40/Cs)

128 Br

Organic Nova The Missing Link 1L Growing and Flowering Fertiliser

584 BYN

Humboldt Countys Own Magnum Bloom 1 Gallon Plant Nutrients

5

1 069 Br

Neptune's Harvest FS118 Fish & Seaweed Blend Fertilizer 2-3-1, 18 oz

4.6

94 Br

Humboldts Secret Plant Enzymes – Best Plant and Root Enzymes – 7000 Active Units of Enzyme per Milliliter – Quality Plant Food and Plant Fertilizer – Highly Concentrated – 2 Ounce

4.6

263 Br

FoxFarm Liquid Nutrient Trio Soil Formula: Big Bloom, Grow Big, Tiger Bloom (Pack of 3-16 oz Bottles) 1 Pint Each + Twin Canaries Chart

4.7

869 Br

Humboldt County's Own Crystal Burst 5 Gal

4 859 Br

Snow Storm Ultra 0-0 - 3, Quart

145 Br

Optic Foliar Switch 1 Liter

137 Br

Terpinator - Liquid Nutrients, For Use in Hydroponics and Soil, 1 qt.

119 Br

Yellow Bottles Ooze Bloom, 300 Milliliter

287 Br

Yellow Bottles Roots Bloom, 300 Milliliter

167 Br

Yellow Bottles Pre Bloom, 300 Milliliter

167 Br

Neptune's HarvestTomato & Veg Fertilizer 2-4-2

2 626 Br

HesiPowerZyme 1lt

549 Br

Hesi Root Complex 500ml

509 Br

Yellow Bottles Humate, 1 Liter

764 Br

Humboldt WW40 White Widow Germination Kit, 4-Ounce

156 Br

FoxFarm FX14054 12-Quart FoxFarm Happy Frog Organic Potting Soil

4.7

924 Br

Yellow Bottles Phat Bloom, 300 Milliliter

287 Br

Yellow Bottles PK Bloom, 1 Liter

213 Br

Growth Science Nutrients - Starter Pack

FREE