GROW!T Coco Coir Crunch Mix, 3.8 cfGROW! T Coir Crunch is a coarse coco medium composed of fiber, coir, chips, and pith. Its fast draining properties are perfect for commercial indoor crops. It stays dry on the surface, even in high humidity. Under the surface Coir Crunch stays damp and loose, so roots can thrive. GROW! T Coir Crunch can replace conventional coco coir and rockwool, or it can be added to soil for increased aeration. Ideal medium for commercial indoor and high value