Monster Mushroom Company Super Grow All-in-One Grow Bag 3 lbMonster Mushroom Super Grow All in One Mushroom Grow Bag 3 lb Perfectly hydrated starter mushroom substrate, soaked rye berries and other grains, and a final fruiting substrate. A layer of finely ground starter substrate (similar to BRF cake), a hydrated layer of our four grain mix (rye, oats, millet and wheat), and then a final layer of hydrated coco coir, vermiculite, gypsum and Worm Poo. Inject your favorite spores* through the port and watch the