This excellent coral glue will bond SPS, Zoas and other corals to frag plugs or directly to the rockwork. Comes in 30ml and 75ml sizes.
You can use this bottle underwater, if you don't release your grip and allow saltwater to suck back into the bottle. Maintain pressure and remove from the bottle from the tank, then release your grasp.
Store Cg in the fridge when not in use to extend shelf life.