well lets see, i've had it going for 5 years, but had to refill it completely for the move to the basement, so its been cycled for at least 2 1/2 years hmm... tankmates are 2 fm guppies, 4 platies, 1 variatus platy, 1 ram, and a krib(not in the tank but in a net trap thing) what does the whitish...