i cant seem to get an answer to what this is on my fishs fin, it was really really swollen hes been on tetracyclene and all the swelling has gone away, but what are the black and white dot thing, please help, i have no idea what it is, and i keep getting "i have no idea" answers from everyone i ask, my water is perfect, 0 ammonia 0 nitrite 10 ppm nitrate i have no idea what it is, please help. and yes, i know hes got a small case of HITH, he came that way from the LFS, he was only 5 bucks but now im thinking i should have left him, anyway, help



