did u do the wc? im thinking its stress from ammonia...so i get home from school today and everything was fine feed them a little bit less today... and guess what came back 20 min later and the neon tetras were fat in the stumic "again"
ps check out my new thread...the ammonia from the pet store that my betta came in was like rediculus idk how he was alive!!
http://www.aquariacentral.com/forums/showthread.php?t=188823