[dmforcier]

Why? He isn't in "Clay type soils", he's in a potting mix.

BTW, when I was mixing 5:1:1 for containers, I bought Pine Bark Mini-nuggets at the local Lowes and screened out the big stuff. Close enough.

And I think you're wasting your $$ on all that Perlite, Newbie. It doesn't hurt but MGPM has a goodly amount already. I mix in some more if I have it, but no worries.