Introducing the 10 x 1kg Best of Both COCO BOB, the perfect solution for mushroom cultivation. This product features grain on the bottom and c.v.g. (coco/vermiculte/gypson) on top, sterilized for 2.5 hours at 16psi. With a mix of 60% coco, 40% vermiculite, and 20G gypson, this product is easy to use - just inject the grain with your preferred culture and watch it grow from colonization to fruit. Enjoy hassle-free mushroom cultivation with no mess and no fuss with COCO BOB Best of Both.