Path: utzoo!hoptoad!amdcad!pyramid!decwrl!ucbvax!rutgers!uwvax!uwmcsd1!marque!gryphon!richard From: richard@gryphon.CTS.COM (Richard Sexton) Newsgroups: alt.aquaria Subject: Re: turning the filter off? Summary: Keep *those* little buggers to yourself. Message-ID: <2599@gryphon.CTS.COM> Date: 16 Dec 87 06:22:28 GMT References: <4381@ihlpg.ATT.COM> <1948@cognos.UUCP> Reply-To: richard@gryphon.CTS.COM (Richard Sexton) Organization: Trailing Edge Technology, Redondo Beach, CA Lines: 34 In article <1948@cognos.UUCP> halo@cognos.UUCP (Hal) writes: >In article <4381@ihlpg.ATT.COM> dalka@ihlpg.UUCP writes: >> Anyway, I have a >>canister filter so its difficult to just remove the polyfilter >>so I assume I should just turn it off but won't the anerobic >>bacteria die if I turn it off for too long like 2 days? > >I can't imagine any reason for the anerobes to die. Well, perhaps >a couple, temperature or overcrowding (build up of wastes). > >The circulation shouldn't be a factor. Anerobes don't require air >(hence the name). In a microbiology lab, anerobes, such as >Clostridium sporogenes (or botulinum) are cultured by stabbing >media to innoculate it and then placed in an incubator. As long as >they have food available (and they live off virtually anything) >they thrive, until waste buildup requires innoculating a new culture. > All well and good. The "friendly" badteria that convert waste to inorganic compounds are aerobic (low impact or otherwise :-). Anaerobic bacteria are the nasty little buggers that foul the tank, make black spots, and produce hydrogen sulphide. Ick, yuk, ptui! >Hal O'Connell -- "Well they say, that Santa Fe, is more, than 90 miles away" UUCP: {ihnp4!crash, hplabs!hp-sdd!crash}!gryphon!richard INET: richard@gryphon.CTS.COM