brown on rocks and powerheads.

[superduperwesman]

Originally Posted by fishguy007

in my tank, my rocks are starting to turn brown and getting some brown on my powerheads. is this okay though? what is it.

It all depends... were you sleep dumping in the tank? ahah

[fishguy007]

using tap water. priming it and letting it sit.

should i be using ro water? will it make a difference if I start using r/o water now.