Pre-sterilized grain spawn bags made with premium quality whole oats. They are ready to use and you can inject the bags with your favorite mushroom liquid culture!
Every bag is properly sterilized at 15 PSI for 2.5 hours and comes with a 0.2 micron filter patch to allow gas exchange without letting any bacteria or particles inside. Additionally the injection ports are self healing and can be used multiple times for injections!
