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 | Humboldt Sea Cal 2-0-0 -- 1 GallonSea 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 Cal 2-0-0 -- 2.5 GallonSea 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 $229.32 |
 | Humboldt Sea Cal 2-0-0 -- 5 GallonSea 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 $416.00 |
 | Humboldt Sea Mag 1-3-4 -- 1 QuartSea 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 |
 | Humboldt Sea Mag 1-3-4 -- 1 GallonSea 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 $61.01 |
 | Humboldt Sea Mag 1-3-4 -- 2.5 GallonSea 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 $138.32 |
 | Humboldt Sea Mag 1-3-4 -- 5 GallonSea 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 $249.60 |
 | Humboldt FlavorFul -- 1 Quart8% 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...Only $14.61 |
 | Humboldt FlavorFul -- 1 Gallon8% 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...Only $44.61 |