Hey Scott - Scott here.
You mentioned adding some snails to me, and I wonder about flukes causing problems with your fish. Can flukes be hitch-hikers on snails? (question for somebody on RC who'd know....)
Check these out:
http://archive.reefcentral.com/forum...ukes+hitchhike
http://www.reefcentral.com/forums/s...hreadid=1287174