he's a bueat, done another change today and just gota keep doing it i got some phosguard to get rid of the cyano.my tang and 2 maroon clowns have bin fighting and thats why im missing parts of there fins,i hope and pray,but other than that they are loking and eating well, thats why i didnt think there was anythink wrong till got water tested,like i said before this is our first tank and we went marine jumped in head first lol,thanks for replys