I still do not think using Wetsuit to seal around the glass is the best approach. I do think using silicone or other sealant as a gasket is a better option.
Wetsuit 1-part - 5 gallon $124 (this is the paint-able formula)
Invislink 4" x 300' role $22 (fabric for reinforcement)
Invislink 6" x 300' role $28
Invislink 40" x 300' role $108
Wetsuit Trowel - 1 gallon $26 (paste like formula)
It is a neoprene rubber. I believe they called it wetsuit because neoprene is what wetsuits are made of. They also make hip waders and boots out of neoprene.
Yes, but I am going to give it a month or so before I pull it out. It is in one of my tanks so it will be taking all the elements a normal tank has to offer.