Try this:
Coral - Super glue - Epoxy - suoerglue - rock.
The SG-Epoxy-SG sandwich works GREAT! :thumbsup:
and can you ever get the coral off of the rock again??
what type of epoxy?
and can you ever get the coral off of the rock again??
You can drill holes underwater but it makes a messy cloud in the tank.
I would be a little carefull on how you say this. I can see some people trying to stick there power drill under water right now.:eek1:
Not only that, I could see the vibrations transferring through the rock, to the glass and possibly breaking or cracking the glass!!! Scary!!!