Our blend of Oats, Rye and millet is ideal for mushroom mycelium. All bags are autoclaved at 17psi to ensure the product is free from contamination. Each 3lb bag is equivalent to 3Qt jars of grain. Bags come with a 0.22 micron filter patch and injection port for easy use. For best results use 4-7cc of liquid culture per bag. BULK PRICING, CUSTOM ORDERS AND LIVE SPAWN AVAILABLE UPON REQUEST, send us a message.