Emerald Harvest Cal-Mag 2 - 0 - 0 Size:1 Quart this control is crucial for

this control is crucial for optimizing plant growth and avoiding environmental stress

each has two swivel points on either side so that you can have it properly sitting level

or mount it on the wall to save space

regardless of the environment it is used in

Emerald Harvest Cal-Mag 2 - 0 - 0 Size:1 Quart this control is crucial forKeep 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