samllh
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于 2003-09-26 09:48 ![把文章內容复制到剪貼板。
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In the first 1-2 weeks, you may find the NO2 concentration from the water output increase like crazy, should be higher than 100 ppm. Starting from the third weeks, you would see both NO2 and NO3 decrease dramatically. It take a month for the bacteria population to be stabilized, after that, NO2 and NO3 would leave your tank FOREVER. Foreign public aquarium has been using this method for more than 10 years: http://mars.reefkeepers.net/USHomePage/USArticles/SulphurDenitrator.htm so it is a proven technology, and I have been using it for more than half year, all my fish and coral are more healthy than before due to water quality improvement. Thiobacillus denitrificans "Sulfur denitrification is based upon autotrophic denitrification by sulfur oxidizing bacteria such as Thiobacillus denitrificans and Thiomicrospira denitrificans. Under aerobic conditions these bacteria use oxygen as an electron acceptor, but under anoxic conditions they oxidize reduced sulfur (S2-, S2O32-, S0) to sulfate while reducing nitrate. In addition to nitrate, T. denitrificans can also use nitrite, NO or N2O as an electron acceptor ."
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