5,000 gals mushroom compost
5,000 gals old soil, of,hf,bg,etc
1,000 gals castings
3,000 gals perlite
the final mix should be between 15 and 20,000 gals of medium
I read revs list in skunk recently and i am wondering what the ratio of lbs of dry amendments vs medium ....
also should i...