Rotten wen..

[Sasquatch]

Goldfish's wen missing.. one big hole in the middle.. looks like the wen exploded ?? wat happen to them ??
Some others hv white patch on their wen,looks like going to face same problem also.. few hv died with same problem..
Wat to do to help them ?

thanx

[mybirdshit]

I think your fish kena bacterial infection leh...that is what is eating away the wen. Try to put in sterile conditions and give some antibacterial medication or try keeping in 0.3% salt water for a week, but change water everyday.