Emerald Harvest Cal-Mag 6 Gallon-22.7 Liter BCuzz 4x8 Tray: 54

4x8 Tray:  54

the Coconut Shell Carbon Granules that have activated carbon granules that are an absorbent with well developed pore structure allowing for a range absorbent retention

a simple float switch and check valve and more

Big Mama is Grodan's largest block ever produced

Test results allow the gardener to amend and fertilize appropriately

Emerald Harvest Cal-Mag 6 Gallon-22.7 Liter BCuzz 4x8 Tray: 54Keep 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