crister13 said:I am talking about a reading of 0 on common test kits. Yes, some corals need a little "dirt" in the water. I believe phosphates are more important for corals though. They definitely need phosphates, im not positive about nitrate though.
JEurope said:Thanks guys, that link gave some good information. Seems that my question allowed each one of us to learn something. Thanks greatly for the input.