EH Cal-Mag - 2.5 Gal. CO2 Allows quick access to the

Allows quick access to the reservoir for maintenance of the nutrient solution such as checking pH

Versatile Addressing: Easily assign device addresses for quick integration into your Hydro-X setup

these vents effectively block insects

spotted mites

Includes 1/2" & 3/4" fittings

EH Cal-Mag - 2.5 Gal. CO2 Allows quick access to theGrow 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