Looks good- you can use super glue gel or epoxy in your tank. Usually for glueing rock to rock- epoxy works best. You will need to turn your
skimmer off because it will go crazy after putting that in your tank. For glueing SPS- super glue is the way to go.
You may wanna think about upgrading your
skimmer down the road.
Here is the epoxy I use
http://www.marinedepot.com/md_viewIt...product=TL1611