I am new to this forum. I have a 55g FOWLR, 2 blue green chromis, sally lightfoot, emerald, 2 peppermint, astreas, ceriths, 20lb LR, CPR w/ Maxi 1200, skilter (no skimming just filter pad), Filstar xP3 pumping into two carbon tubes with about 10 lbs TBPC, 2 Aqua 30 powerheads. Have recently...