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: Information on filtration needed Summary: unga bunga Keywords: fish, tanks, water and other things terraquious (my turtle) Message-ID: <2598@gryphon.CTS.COM> Date: 16 Dec 87 06:17:30 GMT References: <539@ncrcan.Toronto.NCR.COM> Reply-To: richard@gryphon.CTS.COM (Richard Sexton) Distribution: alt Organization: Trailing Edge Technology, Redondo Beach, CA Lines: 68 In article <539@ncrcan.Toronto.NCR.COM> greg@ncrcan.UUCP writes: > > > I curretnly have a 75 gallon (CDN) tank. Fresh or salt water ? I'm assuming it's freshwater. > I just recently installed > a new filter system using an EHIEM 2014 with the apropriate substrates > in the filter to do the type of filtering that I want. My problem > is this: > > Before switching over to this filter system, I was using the under- > gravel filter with two 200 gallon per hour pumps to pump water from > under the gravel bed and then through an external filter before > returning the water to the tank. > > I still have the two powerheads installed and they now just circulate > water in the tank after sucking it through the gravel in the bottom > of the tank. I also have the EHIEM filter sucking water from in the > tank through the filter system and then back into the top of the tank. > > 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. > > Notes: > > The water in my tank is currently crystal clear, the pH level > is right where it should be as well as all the other chemical > levels in the tank. I've been using the EHIEM for only one > week now and the tank was in perfect shape before I added the > new filtering system. "Don't fix what ain't broken" > "Shit Happens!" Don't it, though ? P.S. You might try the Mississauga Aquarium Society, there are a lot of very in the know people there. > Greg.Foisy -- "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