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Re: Bacteria and the Nitrification Cycle
- To: Aquatic-Plants at actwin_com
- Subject: Re: Bacteria and the Nitrification Cycle
- From: Billinet at aol_com
- Date: Fri, 16 May 2003 13:49:41 EDT
It was said that << Denitrification bacteria in a normal aquarium can only
function in an anaerobic environment, and since the filter is aerobic, the
only place
they will function is in an anaerobic substrate. >>
I don't think so. At least some of the bacteria that convert ammonia to
nitrates require an aerobic environment. That's why undergravel biological
filters work (for a while) and why sponge filters are so effective at
removing ammonia. Both circulate oxygenated water past bacteria.
An aquarium without anything but oxygenated water - no filters, no substrate
- will also build up a colony of nitrifying bacteria and be capable of
reducing ammonia. Because of the limited places for the bacteria to anchor,
however, it won't be able to convert very much.
Bill