Emerald Harvest Cal-Mag 6 Gallon-22.7 Liter Bonide Waterproof poly film that is

Waterproof poly film that is black on one side and white on the other can be used for growing areas

increases yield and improves flower and fruit production

the ColorStorm Premium Rubber Hose is molded from quality EPDM rubber

These Mini-Blocks are individually wrapped in white plastic to minimize algae growth

Emerald Harvest Cal-Mag 6 Gallon-22.7 Liter Bonide Waterproof poly film that isKeep 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