Im offering pre sterlizied masters mix bag ready to open and use, they are a 50/50 soy hull, oak hardwood pellet mix,
 
I pre soak them and sterlize them in pressure cooker so they are in the best state to be mixed with the colonised grain bag for your mushrooms to grow.
 
please know that it may take me up to 1-3 days to process your order as I always make these fresh.