So after a weekend where I was sure at least one of the fish wouldn't make it, they seem to be doing really well. Both are swimming around and the one that appeared droopy in the tail is perky again. Yay! I've been doing 50% pwc and adding Prime, and while the water levels aren't ideal they seem to be improving slowly, so I have some hope that these little ladies might make it thru the cycling process after all. Thanks to all who have offered advice so far!