Effects of Parasiticides on Nitrification
- 1 November 1975
- journal article
- Published by Canadian Science Publishing in Journal of the Fisheries Research Board of Canada
- Vol. 32 (11) , 2033-2037
- https://doi.org/10.1139/f75-239
Abstract
Treatment of four recirculating systems with a single dose of methylene blue at 5 mg/liter resulted in complete cessation of nitrification for 16 days as evidenced by a rapid rise in ammonia and stable nitrate concentrations. The therapeutic use of methylene blue in recirculating systems is contraindicated. Treatment of the systems with therapeutic levels of formalin, malachite green, formalin and malachite green in combination, copper sulfate, potassium permanganate, and sodium chloride had no effect on nitrification.Keywords
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