Pls be clear about what is your water parameter like... have you cycled your tank and many other things such as lighting. Without this we can't really tell you what coral suit yor requirement
Hey for a 3 feet tank suggest the model 2012 or 2013 for the weipro skimmer which you might be using for your tank... Dun think it come with a pump.........
eh i have kept aq blue tang for ard 1 year and sold away............ Anyway blur tang does ge ich easily but recover from ich easily too................
hey you need to keep your tank empty for at least 1 month to allow the ich parasite to complete its life cycle and then die off due to the fact that they are no potential host...........You added your damsel in to early thus they too get the ich