The most common reccomended method is to superglue or put reef epoxy on them..
the boiling water method is to literally boil the rock. Or put it in a garbage bag in you yard and cook it. Check out reef2reef. Ig got my answer there when i had them.
i have some now but they havent spread. Not all hydroids are bad or willntake over a tank.
the boiling water method is to literally boil the rock. Or put it in a garbage bag in you yard and cook it. Check out reef2reef. Ig got my answer there when i had them.
i have some now but they havent spread. Not all hydroids are bad or willntake over a tank.