Which soil conditioner?
I have two choices of pine bark fines for making Al's Basic Soil Mix: 1) Nature's Helper Soil Conditioner which is 1/2 fines and 1/2 compost; or 2) Garden Pro Clay Breaker Soil Conditioner which contains gypsum (doesn't say how much).
Can anyone tell me which I should use, and whether I should modify the recipe in any way? THANX!
(Hope these links work!)