50/50 Horse Manure and Straw Mix Mushroom Substrate 2 pack
You will receive 2 X one pound bags of 50/50 mushroom substrate at a discounted price.
This is the perfect mix of our compost and wheat straw. This mushroom substrate will produce great results for dung/straw loving fungi species. You will get much larger yields using this 50/50 mix compared to just casing grains or all-in-one grow bags. This product is sterilized and ready to use at your front door. Simply add your gourmet mushroom spawn to the 50/50 grow bag, reseal it, and mix. Out-Grow's straw/compost mix is one of the best mushroom growing substrates available on the internet. We use only natural and chemical free products to make our substrates.