EH Cal-Mag - Quart - Case of 12 Sea Green Hydro Developed by General Hydroponics

Developed by General Hydroponics

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Submersible Pump Enclosure: Safeguard your submersible pump with this sophisticated fine-mesh

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and it actually works

EH Cal-Mag - Quart - Case of 12 Sea Green Hydro Developed by General HydroponicsGrow 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