I mix about 20% perlite and 10% vermiculite with good potting soil.

Perlite lets soil dry out better. Vermiculite helps soil hold moisture. Perlite is more important by far.
Opie Yutts Reviewed by Opie Yutts on . Whats the best soil mix RATIO? hey guys and gals Im going to transplant my 11 clones to put them in the flowering room. Im using the ocean forest blend(Fox Farms) but am stuck at what else to use..... pearlite, vermiculite, ? any suggestions? :D Rating: 5