EH Cal-Mag - Quart - Case of 12 Sea Green Hydro Our system uses advanced drain

Our system uses advanced drain water recycling technology

That low-volt control can take many forms and communication protocols

ensuring optimal health upon arrival

Hps Equivalent - 1000-1200W

Developed by General Hydroponics

EH Cal-Mag - Quart - Case of 12 Sea Green Hydro Our system uses advanced drainGrow 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