thanx guys, well ive decded just go whole hog and worm the whole tank. 1 more water change is needed to make sure all itch meds r def out...ive done 4 -50%watechanges since then and 1 more to go to relieve my constant paranoia about killing my fish. But def white poo...and hes also bullied a bit , the group wont let him "hang" (fish know these things). Im worried about my tetras bcuz womer says not to use on them ... so hmmmmmmmm. I might hav to order prazi pro over the net....i can only find weird tablets over here in oz. But prob same tetra delima.