EH Cal-Mag - 2.5 Gal.- Case of 2 king meaning a single 55-gallon drum

meaning a single 55-gallon drum yields up to 634 gallons of ready-to-use 3% solution

of Mag-Pro - a bloom booster supplement designed to enhance flavor

Product Name: CO2 Regulator

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EH Cal-Mag - 2.5 Gal.- Case of 2 king meaning a single 55-gallon drumGrow 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