HomeMycology SuppliesGrow Jars “AEG Revert: Chocolate Gill” has been added to your cart. View cart Grow Jars Grain jars are used to cultivate and store beneficial fungi before introducing them to the growing medium. Category: Mycology Supplies Tags: Grow Jars, Mycology Supplies Product ID: 29748 Description Description Grain jars are used to cultivate and store beneficial fungi before introducing them to the growing medium. Related products Slim Shady $25.00 Buy now Toque 7 $25.00 Buy now JMF $25.00 Buy now