Quote:
Originally Posted by mrhasan
Unlike the natural nitrifying bacteria (which converts nitrate to N2 gas which escapes from the gas in form of bubbles), probiotic bacteria strains consumes the nitrate (and phosphate too I guess). These bacteria strains needs to be skimmed out (only a small percent is consumed by corals) by a skimmer in order to remove the nutrients from the tank. As a result, all probiotic methods need highly efficient skimmers.
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I was kind of thinking that, but thanks for clarifying. Maybe something to try down the road when I have outgrown my current nano.