needs to containe cyanoacrylate. Never really seen any without it though. For zoos, super glue gel is the easiest. They will attach on their own but frag
have a way of falling down cracks or holes.
As for the GSP, you can use some epoxy to attach it to a bigger rock or just place it on the rocks or even in the sand. If will eventually grow past that rock and onto anything near it. In the sand it will just spread out like grass. Easy to frag
*180 gal Display, 100 gal basement sump, 33 gal refugium, 3x250 MH, 2x160 VHO actinics, zoos, some softies, LPS & lots of acros and other SPS.
*100 gal prop tank plumbed into main system w/ 2x96 PC lights and 1x150 MH,