Flatworms won't die!

[Barrie]

Yellow corris wrasse worked wonders for us too.

[mseepman]

I have your exact problem. I regularly siphon out hundreds of the little bastards...but to no avail. fWE has worked in the past to really cut them down...but never beat them. Bought a yellow coris...he looked at them and did nothing. Not sure what to do these days.