I use and swear by House and Garden, I also use a few others. H&G products=aqua flakes A&B, root excelurator, drip clean,bud xl, top booster. also CAL-Mag, botanicare silica blast, sweet,B-1 blast off, Madfarmer Nutz and PH up & down, B'cuzz bloom stim, hydroplex, M.O.A.B, superthrive and...