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Emerald Harvest Cal-Mag - Dutchman's Hydroponics & Garden Supply

    Emerald Harvest Cal-Mag

    $22.93 $27.00

    Emerald Harvest® Cal-Mag

    Keep your plants productive and green with Cal-Mag, a calcium and magnesium supplement from Emerald Harvest®. Containing top-quality ingredients, Cal-Mag is designed to nourish crops with extra calcium and magnesium and create the right conditions for abundant flowering and a heavy yield. This is especially important when growing in some media, such as coco coir, but any garden can benefit. Use Emerald Harvest Cal-Mag as a supplement to a base nutrient series for guaranteed professional results.