Premium Blue Oyster Mushroom Fruiting Block Grow Kit - 5 LBSWe made mushroom growing easy with our beginner friendly, blue oyster mushroom fruiting block grow kits. Just cut an X into the plastic bag, spray it with water 2 3 times a day, and watch them grow! Our mushroom fruiting block grow kits are meant to be used indoors, so anyone can grow mushrooms at home. No experience or special equipment needed 100% Guaranteed to Grow Ready to use upon arrival, all you need to do is add water! Chemical and pesticide