Well I got two kelberi from rapps .in prep for getting them i bought a 250 count of rosies from my lfs unopen So I treated with copper safe and salt put them in three seperate 10 gals .And i think i must have not treated one tank because my bigger bass have ICKKK!I just treated everybody with salt and copper safe any other sugg would be appreciated or if you think a better treatment would be better please give input.the kells and smaller orinos have no signs outwardly but are scraching gills alot .bigger orinos are on tiapia fillets put rosies in for treat.temps are 86 amonia 0 nitrite 0.