Wood-Loving Grain Spawn Bag 2.5 lbs.

Two and one-half pound sterilized bag of 25% oats and 25% wheat, 50% hardwood sawdust, and a dash of gypsum for giving your wood-loving culinary or medicinal culture that great start in life. Bag includes a filter patch and injection port. Each bag is sterilized for two hours at 15 PSI and triple sealed.

NOT FOR USE WITH RESEARCH CULTURES