![Amazon.com : BetterFungi Sterilized Rye Grain Mushroom Substrate in Injectable Jars (2 Jars Per Order) - Each Jar Has a Self-Healing Injection Port and a Filter : Home & Kitchen Amazon.com : BetterFungi Sterilized Rye Grain Mushroom Substrate in Injectable Jars (2 Jars Per Order) - Each Jar Has a Self-Healing Injection Port and a Filter : Home & Kitchen](https://m.media-amazon.com/images/I/41L051UmDeL._AC_UF894,1000_QL80_.jpg)
Amazon.com : BetterFungi Sterilized Rye Grain Mushroom Substrate in Injectable Jars (2 Jars Per Order) - Each Jar Has a Self-Healing Injection Port and a Filter : Home & Kitchen
![First time grower, mss to grain and all my 6 jars colonised perfectly with no signs of contamination, this is a win already [general] : r/MushroomGrowers First time grower, mss to grain and all my 6 jars colonised perfectly with no signs of contamination, this is a win already [general] : r/MushroomGrowers](https://preview.redd.it/first-time-grower-mss-to-grain-and-all-my-6-jars-colonised-v0-6xg68b0qj8h81.jpg?width=640&crop=smart&auto=webp&s=d2e1bd2c7625ada5b486bef9d8cbf4cadcad2bbc)
First time grower, mss to grain and all my 6 jars colonised perfectly with no signs of contamination, this is a win already [general] : r/MushroomGrowers
![Amazon.com : Out-Grow Four Quart Jars of Sterilized Rye and Four One Pound Bags of Manure Based Substrate : Patio, Lawn & Garden Amazon.com : Out-Grow Four Quart Jars of Sterilized Rye and Four One Pound Bags of Manure Based Substrate : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/71NFHhvOk0L._AC_UF894,1000_QL80_.jpg)