QUESTIONS: how come my corals seems to be doing very well but fishes aren't? every 5 fishes i add in 4 will pass on within 2-3days... anyway to find out the cause?? i prefer having some fishes leh... so far the longest lasting one is my female leopard wrasse, the damsels are doing fine, 1 mandarin enjoying him/herself and a few others... clowns all completely dead together with anthias, tangs & angels
maybe inside ur tank got serial killer....