<a href=showthread.php?s=&postid=9518403#post9518403 target=_blank>Originally posted</a> by Sparkss
silicone is not known to adhere well to acrylic, just as an FYI. If you were after a permanent bond weldon 3/4 would have been better (and quicker... we have filled tanks built with weldon within hours of gluing them. albeit smaller tanks.. with fish and all).
oops

That's what I get for dealing with someone who is not a reefer.