ICMag with help from Landrace Warden and The Vault is running a NEW contest in November! You can check it here.
Prizes are seeds & forum premium access. Come join in!
Even if using straight up Sunshine #4, without any goodies added, I always add 1 tablespoon dolomite lime per gallon of soil. As the peat breaks down, it gets more acid and the extra lime helps buffer the pH.