T TRIGER New member Oct 7, 2007 #1 my living rock has been taken over by a colny of hydroids what is the best way to get rid of it
Bandsaw New member Oct 7, 2007 #2 If you can take the rock out, use a kalk paste on them. I have heard about some people actually burning them off as well.
If you can take the rock out, use a kalk paste on them. I have heard about some people actually burning them off as well.
