Four Pound Sterilized Rye Grain Bags with Injection Ports Free Shipping

Each MycoHaus four-pound bag comes packaged in an individual sealed myco / grow bag with self healing injection port and a 0.5 micron filter patch for gas exchange, then shrink wrapped for added protection. Each 4 LB bag is approximately 96 FL OZ in volume. This is equal to 12-16 half pint jars. These bags are guaranteed to arrive to you 100% sterile and ready to inoculate with your favorite mushroom spores or culture! Cultures are not included. We carry detailed instructions on how to inoculate and cultivate these bags. If you would like a free copy please click on the "instructions" tab in our main menu. Why Choose MycoHaus? Since 2010, we’ve sold hundreds of thousands of premium grain bags, earning top-rated reviews from satisfied growers. Our expert mycologists prepare fresh, high-quality substrates daily, ensuring the perfect moisture balance for optimal mushroom cultivation. Each product is meticulously packaged in a sterile environment, following strict quality control and s