Emerald Harvest Cal-Mag 6 Gallon-22.7 Liter BCuzz Lamp not included

Lamp not included

Keeps plant warmer in winter and cooler in the summer

4x8 Tray:  54

a simple float switch and check valve and more

Big Mama is Grodan's largest block ever produced

Emerald Harvest Cal-Mag 6 Gallon-22.7 Liter BCuzz Lamp not includedKeep 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