fishless cycling

fishless cycling: a method of maturing (or cycling) a new biological filter using chemical means rather than adding fish. The process involves stimulating growth of beneficial bacteria on the filter using a pollutant as an energy source for the bacteria and then waiting weeks for the bacterial colony to reach full size

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Ammonium hydroxide — Main article: Ammonia Ammonium hydroxide … Wikipedia
Kobuk River — The Kobuk River is approximately convert|280|mi|km|0|lk=on long, located in the Arctic region of northwestern Alaska in the United States. [USGS Geographic Names Information System (GNIS). [http://geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO… … Wikipedia
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