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! -- ----------------------------------------------------------------------------- sdcsvax-\ ihnp4-\ \ \ Andre' Hut sdcrdcf!psivax!nrcvax!nrc-ut!andre / / / hplabs--/ ucbvax!calma-/ / utah-gr!uplherc/ Network Research Corporation 923 Executive Park Dr. Suite C Salt Lake City, Utah 84117 -----------------------------------------------------------------------------