EH Cal-Mag - 1 Gal. - Case of 4 Reflectors & Grow Lights Stronger corners and thicker walls

Stronger corners and thicker walls than any others in their class

Use in gardening applications should be limited to rooms with no more than two 1000W air-cooled lighting systems

Cool Command Refrigeration Technology: Yes

Core Coverage - 2'x4'

EH Cal-Mag - 1 Gal. - Case of 4 Reflectors & Grow Lights Stronger corners and thicker wallsGrow 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