Apparently it's safe, I've never had a problem and haven't heard of anyone else having one either, the word is that cyanoacrylate is aquarium safe. If reefers are using it in their 500gl tanks of acropora, then it can't be bad.Thanks jaidexl. How long to cure before putting back into water?
If water soluble, is it safe?
Which brands of super glue and reef putty do you use, and where do you get them?
How much reef putty do you use to fix 2 small or medium size rocks leaning against each other, or to fix one rock standing on top of another?