EH Cal-Mag - 55 Gal. pest-and-disease-control Temperature (°C/°F)

Temperature (°C/°F)

supports stronger root systems

Grow Big Hydroponic contains earthworm castings

and extends 7" outward in each direction

Lifetime Warranty on Tanks and Parts*

EH Cal-Mag - 55 Gal. pest-and-disease-control Temperature (°C/°F)Grow 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