I use what ever super glue gel in the tube that I can find. I make sure to dry the 2 pieces that will be glued together. When I dry them I basically get as much water off as I can. Then glue. I hold the frag in place for a couple of minutes, then put it back in the tank.
AGA 120 Megaflow, 2x 250w HQI MH and 2x 54w T5 Actinics, Euro Reef CS135, Sump, Pacific Coast 1/10 HP Inline Chiller, PanWorld External Water Pump, Red Sea Wavemaster Pro, 4 power heads