You have JavaScript disabled or are using a browser which does not support it. Please turn on JavaScript or consider upgrading or switching your web browser, e.g. FireFox or Opera.
Celebrating our 12th Year of Service to Gardeners! Thank you for your business!
Bloom Natural gal. Humboldt Nutrients Bloom Natural gal. (HNOB410)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 designed to give your plants the large phosphorus and calcium bo... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
DEUCE DEUCE 2.5 Gallons (2/CS) Hum-Boldt Deuce Deuce
Deuce Deuce is derived from sulfate of Potash, Pro-biotic Potassium, and Ascophyllum Nodosum. Potassium aids plants in enzymatic function, protein and cellulose formation, efficient photosynthesis, and rapid transportation of carbohydrates and starches throughout a plants vascular system. It will also harden flowers and improve resistance to disease and ins... This item is sold individually. — Ships separately from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
DeuceDeuce 1 gal. Humboldt Nutrients DeuceDeuce 1 gal. (HNDD410)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 photosynthesis and rapid transportation of carbohydrates and starches throughout a plants vascul... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
DeuceDeuce 15 gal. Humboldt Nutrients DeuceDeuce 15 gal. (HNDD425)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 photosynthesis and rapid transportation of carbohydrates and starches throughout a plants vascu... — LTL Shipping Required. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
DeuceDeuce 16 oz. Humboldt Nutrients DeuceDeuce 16 oz. (HNDD404)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 photosynthesis and rapid transportation of carbohydrates and s... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
DeuceDeuce 2.5 gal. Humboldt Nutrients DeuceDeuce 2.5 gal. (HNDD415)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 photosynthesis and rapid transportation of carbohydrates and starches throughout a plants vasc... — Ships separately from HF: OR, CA, CO, PA, TX, FL USA....more info.
DeuceDeuce 32 oz. Humboldt Nutrients DeuceDeuce 32 oz. (HNDD405)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 photosynthesis and rapid transportation of carbohydrates and starches throughout a plants vascul... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
DeuceDeuce 5 gal. Humboldt Nutrients DeuceDeuce 5 gal. (HNDD420)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 photosynthesis and rapid transportation of carbohydrates and starches throughout a plants vascul... — LTL Shipping Required. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
Equilibrium Natural 16 oz. Humboldt Nutrients Equilibrium Natural 16 oz. (HNEQ404)Plants and gardens must have accessible calcium and magnesium to successfully grow, fruit and flower. In thorough tests conducted by the Humboldt Nutrients team throughout the hills and valleys of Northern California this specific solution of Ca and Mg dominated the competition in side-by-side trials.If you want to reap a large... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
Equilibrium Natural 2.5 Gal Humboldt Nutrients Equilibrium Natural 2.5 Gal (HNEQ415)Plants and gardens must have accessible calcium and magnesium to successfully grow, fruit and flower. In thorough tests conducted by the Humboldt Nutrients team throughout the hills and valleys of Northern California this specific solution of Ca and Mg dominated the competition in side-by-side trials.If you want to reap a larg... — Ships separately from HF: OR, CA, CO, PA, TX, FL USA....more info.
Equilibrium Natural 32 oz. Humboldt Nutrients Equilibrium Natural 32 oz. (HNEQ405)Plants and gardens must have accessible calcium and magnesium to successfully grow, fruit and flower. In thorough tests conducted by the Humboldt Nutrients team throughout the hills and valleys of Northern California this specific solution of Ca and Mg dominated the competition in side-by-side trials.If you want to reap a large... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
Equilibrium Natural 5 Gal Humboldt Nutrients Equilibrium Natural 5 Gal (HNEQ420)Plants and gardens must have accessible calcium and magnesium to successfully grow, fruit and flower. In thorough tests conducted by the Humboldt Nutrients team throughout the hills and valleys of Northern California this specific solution of Ca and Mg dominated the competition in side-by-side trials.If you want to reap a large ... — LTL Shipping Required. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
Flavor-Ful 15 gal. Humboldt Nutrients Flavor-Ful 15 gal. (HNF425)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 on the market are .01% concentration. The clear appearance of these watered down derivatives is an indication of the low concentration. Fl... — LTL Shipping Required. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
FlavorFul 1 gal. Humboldt Nutrients FlavorFul 1 gal. (HNF410)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 on the market are .01% concentration. The clear appearance of these watered down derivatives is an indication of the low concentration. Flav... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
FLAVORFUL 1 GALLON 4/CS Humboldt Flavorful
FlavorFul is 8% Fulvic acid with a dark, amber color indicating the high concentration. FlavorFul is comprised of long chains of organic carboxyl and polyhydroxide acids. Electrolytes are the key to healthy ion exchanges in plants and animals. Plants thirst for electrolytes to optimize health, and to maintain sustained vigorous growth. FlavorFul contains elect... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
FlavorFul 2.5 gal. Humboldt Nutrients FlavorFul 2.5 gal. (HNF415)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 on the market are .01% concentration. The clear appearance of these watered down derivatives is an indication of the low concentration. ... — Ships separately from HF: OR, CA, CO, PA, TX, FL USA....more info.
FLAVORFUL 2.5 Gallons (2/CS) Humboldt Flavorful
FlavorFul is 8% Fulvic acid with a dark, amber color indicating the high concentration. FlavorFul is comprised of long chains of organic carboxyl and polyhydroxide acids. Electrolytes are the key to healthy ion exchanges in plants and animals. Plants thirst for electrolytes to optimize health, and to maintain sustained vigorous growth. FlavorFul contains elect... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
FlavorFul 32 oz. Humboldt Nutrients FlavorFul 32 oz. (HNF405)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 on the market are .01% concentration. The clear appearance of these watered down derivatives is an indication of the low concentration. Fl... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
FLAVORFUL 32oz (12/CS) Humboldt Flavorful
FlavorFul is 8% Fulvic acid with a dark, amber color indicating the high concentration. FlavorFul is comprised of long chains of organic carboxyl and polyhydroxide acids. Electrolytes are the key to healthy ion exchanges in plants and animals. Plants thirst for electrolytes to optimize health, and to maintain sustained vigorous growth. FlavorFul contains elect... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
FlavorFul 5 gal. Humboldt Nutrients FlavorFul 5 gal. (HNF420)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 on the market are .01% concentration. The clear appearance of these watered down derivatives is an indication of the low concentration. Flav... — Ships separately from HF: OR, CA, CO, PA, TX, FL USA....more info.