EH Cal-Mag - 1 Gal. nutrients 6-Pot Kit – 9" sensors

6-Pot Kit – 9" sensors + 5" drip rings

from tiny electronic screws to specialized security bits

Four-mode dimming

Hydrofarm's Raptor reflectors were designed with our customers' needs in mind

and almost never have humidity control

EH Cal-Mag - 1 Gal. nutrients 6-Pot Kit – 9" sensorsGrow Lush, Green Plants Keep your plants productive and green in any growing medium with Cal Mag, a calcium and magnesium supplement from Emerald Harvest. Emerald Harvest Cal Mag is more than just a calcium magnesium supplement. In contrast to competing products, EH Cal Mag contains kelp extract, a natural source of nitrogen and other helpful compounds, making it different from standard products of its kind. Containing top quality ingredients, Cal Mag