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Humboldt Nutrients Master B 1-5-6 -- 1 Quart

Humboldt Nutrients Master A & B is a premium two-part amino acid-based fertilizer program designed for flowering plants. The amino acids and organic acid complexes set the Master A & B series apart from your standard base nutrient by making all the macro...

Only $17.85

Humboldt Nutrients Master B 1-5-6 -- 1 Gallon

Humboldt Nutrients Master A & B is a premium two-part amino acid-based fertilizer program designed for flowering plants. The amino acids and organic acid complexes set the Master A & B series apart from your standard base nutrient by making all the macro...

Only $53.53

Humboldt Grow Natural 3-1-3 -- 1 Quart

Humboldt Nutrients Grow Natural is an ultra-concentrated natural grow formula designed to give your plants the nutrient-rich foundations needed during the vegetation and flowering period. Used in conjunction with Bloom Natural and DeuceDeuce, Grow Natural...

Only $20.08

Humboldt Grow Natural 3-1-3 -- 1 Gallon

Humboldt Nutrients Grow Natural is an ultra-concentrated natural grow formula designed to give your plants the nutrient-rich foundations needed during the vegetation and flowering period. Used in conjunction with Bloom Natural and DeuceDeuce, Grow Natural...

Only $71.39

Humboldt Bloom Natural 0-10-0 -- 1 Quart

Bloom Natural is an ultra-concentrated organic bloom formula designed to give your plants the large phosphorus and calcium boost needed during the flowering period. It induces an immediate flowering response in flowering plants, encouraging multiple flowering...

Only $20.08

Humboldt Bloom Natural 0-10-0 -- 1 Gallon

Bloom Natural is an ultra-concentrated organic bloom formula designed to give your plants the large phosphorus and calcium boost needed during the flowering period. It induces an immediate flowering response in flowering plants, encouraging multiple flowering...

Only $71.39

Humboldt Sea Cal 2-0-0 -- 1 Quart

Sea Cal is a highly concentrated growth enhancer and chelated calcium supplement that offers vital macro and micro nutrients in specific ratios during early plant development. Calcium is very important during a plant's vegetative cycle, controlling...

Only $25.93

Humboldt Sea Cal 2-0-0 -- 1 Gallon

Sea Cal is a highly concentrated growth enhancer and chelated calcium supplement that offers vital macro and micro nutrients in specific ratios during early plant development. Calcium is very important during a plant's vegetative cycle, controlling...

Only $99.15

Humboldt Sea Mag 1-3-4 -- 1 Quart

Sea Mag may be utilized for any type of vegetable, flower, or herbs. Sea Mag is loaded with vital micro nutrients, plant hormones, and B-vitamins. Plant hormones control cell division, cell growth, cell differentiation, and various internal processes....

Only $18.31

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