Thanks for the reply. We have 3 filters Aqua clear 200,Whisper 4 biofiltration,Flugle303.UV 15 KA sterilization,protein skimmer,and a 10 gal refugium tank. We have Tangs,sailfin tang,clown,flame angel, domino, damsels(3).We lost a foxface, 2 tangs,and possibly our empress angel. (can't seem to...