Emerald Harvest Cal-Mag Quart/0.95 Liter (12/Cs) The foundation of the building-block

The foundation of the building-block system

root cutting and/or low-light growing conditions

Mother Earth® Coco is pre-buffered and pH adjusted to neutral at 6

Grow-Cubes are small loose 1/2 in cubes of stonewool

You can dial the air circulation from 250 to 500 cu ft per minute of particle-free air

Emerald Harvest Cal-Mag Quart/0.95 Liter (12/Cs) The foundation of the building-blockKeep 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