I ordered some algae waffers online which arrived today so I put one in my tank which was soon guarded heavily by a mollie, I put another one as the fish were going crazy for this one waffer all fighting to get to it. The waffers have now gone BUT most of the fish now have bloated bellies and some are looking a bit lathargic. I hope I am being paranoid worrying about them but should I be contemplating a water change and using the gravel vacumn to try and suck up any left over food or would this just cause stress?
HELP!!!
HELP!!!