Emerald Harvest Cal-Mag Gallon/3.8 Liter (4/Cs)

Hawthorne

$58.04 
SKU: HGC723954

In Store Only, Call 224-399-9877 for Availability

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 Cal-Mag as a supplement to a base nutrient series for guaranteed professional results.

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