red stuff on my plastic decorations
it's not red slime i no what that is but this stuff is growing on all the things made of plastic.pet store says he does'nt no of any cure.that is hard to believe.any ideas?i do a water change every two weeks and change my filters once a month.i have a 75 gal community tank with only 6 fish sea apple and a pencil sea erchin.my tank is always clear and never had a fish die.any help would be appreciated.