There 3 to 4 weeks old. Im running the e.c on 2.00 and and i'm using AN. I started off with no shock, b52, and liquid microbial's as seedlings now in vegetative im feeding them connoisseur part A & B, b52, no shock, voodoo juice and sensizyme. And for the medium im using 1/3 perlite 1/3 expanded...