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About NUTRAFIN CO2 Natural Plant System
I'm also using an AQ150 with the tube tappered off feeding the bottom of the tube. I normally measure about 25'ish ppm....granted, this is a 5 gal tank I keep the filter turned down to its lowest flow rating (to reduce surface agitation and eddies) so there's absolutely NO suction happening. I don't think it even happens at higher levels....don't even see *how* this could be happeing to others. I didn't drill a hole in the tube. I just have the bubbles entering the slits in the bottom of the tube so there's really NO WAY enuf suction can be built-up this way....and it works perfectly. Chris On 05 Nov 2002 01:10:03 -0600, Florian wrote: David Marshburn writes: kush wrote: : If you can't use a powerhead, you can try snaking the end of the : diffuser line into the intake tube of your canister filter, or : whatever. The CO2 will be entirely resorbed into the water by the : time it comes out the outflow tube. This method will, however, : make a few filters (i.e., mine) rattle. Any idea if the same sort of scheme would work for an over-the-back power filter? I sort of doubt it, but am not experienced with CO2 systems. Maybe introducing the CO2 under the filter media would work? I experimented with this last week. I drilled a 3/8" hole in the side of a spare intake tube for my AquaClear 150, tapered the end of an airline from my DIY CO2 yeast culture, and worked it in. It seemed quite effective; I got a pH drop from ~8.2 to ~7.0 in the 7 gallon tank (~6 gal water volume), compared to the ~7.6 pH I get just letting the CO2 gently bubble out of an airstone. The CO2 bubbles hitting the impeller made bubbly noises, of course. Also, there was a fair bit of suction, so be careful if using a soft-walled (collapsible) bottle for your yeast culture. -----------== Posted via Newsfeed.Com - Uncensored Usenet News ==---------- http://www.newsfeed.com The #1 Newsgroup Service in the World! -----= Over 100,000 Newsgroups - Unlimited Fast Downloads - 19 Servers =----- |
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