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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
US20150320200
ppm Pen (AAA battery included)
ppm 500 and ppm 700
Blended specifically to balance water-holding and air-filled capacity
Controls aphids
Emerald Harvest Cal-Mag 2.5 Gal/9.46 L (2/Cs) US20150320200Keep 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
US$ 25.00
US$ 38.00
US$ 67.00
