ive had mine for acople months now ,when i first got it my colwn would chase it and it would open its mouth like a croc and tellem get away from me !!!! lol after awile that stoped ..........now it started again and the gramma doesent fight back it runs away and has ick !!! i use prime for coating the fish ........thats what i was told to do the ick is on and off one day its fine the next its back its been like that a week now when the fish are fed 2 ????????????any ifo ???????????
