Path: utzoo!hoptoad!amdcad!decwrl!ucbvax!sdcsvax!ucsdhub!hp-sdd!hplabs!sdcrdcf!trwrb!trwind.TRW.COM!nrcvax!nrc-ut!andre
From: andre@nrc-ut.UUCP (Andre' Hut)
Newsgroups: alt.aquaria
Subject: Re: Information on filtration needed
Keywords: fish, tanks, water and other things terraquious (my turtle)
Message-ID: <369@nrc-ut.UUCP>
Date: 17 Dec 87 20:16:50 GMT
References: <539@ncrcan.Toronto.NCR.COM> <2598@gryphon.CTS.COM>
Reply-To: andre@nrc-ut.UUCP (Andre' Hut)
Distribution: alt
Organization: Network Research Corp.  Salt Lake City, UT
Lines: 33

In article <2598@gryphon.CTS.COM> richard@gryphon.CTS.COM (Richard Sexton) writes:
>In article <539@ncrcan.Toronto.NCR.COM> greg@ncrcan.UUCP writes:
>>	I would like to feed the water from the EHIEM filter back through
>>	the down tubes and up through the gravel, however, I am worried about
>>	the amonia levels in the tank going sky high if I just turn the water
>>	going through the down tubes around.
>>	Question(s):
>>		Is there anything wrong or potentially hazardous with the
>>		manner in which my tank is set up now?
>No, I wouldn't say so.
>>
>>		Can I switch the water flow in the down tubes around without
>>		risk life and fin of my fish?
>I think I's stir the gravel up and diatom it to get it as clean as possible
>and THEN do as you propose. But I cannot see any advantage to do what
>you are proposing.

This is a *good* way to upset the biological function of the undergravel filter.
If you stir it all up and diatom it, then you will see an ammonia cycle!


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