Some canister filters can accumulate enough air to stop pumping, I hear, but some work perfectly particularly if the impeller is at the bottom. It's worth a try. I started doing in that way but didn't like the way the filter burped every 30 minutes or so, so I tried the little powerhead method. On Tue, Jan 12, 2010 at 4:23 PM, Hostetter, Kypros < hostetter2003@lawnet.ucla.edu> wrote: > It sounds like you may be taken care of, but as a stop gap measure, you can > run your co2 line into the intake of your filter (canister or HOB) and the > filter will chew the co2 up. I know Roy used to (or still does) use this > method. > Kypros > > On Tue, Jan 12, 2010 at 3:30 PM, Matt Staroscik <matt@wrongcrowd.com> > wrote: > > > Speaking of diffusers, I am using an Eheim Elite Mini powerhead as in > this > > DIY guide. > > > > > > > http://www.aquaticplantcentral.com/forumapc/diy-aquarium-projects/44053-tiny-super-efficient-co2-reactor.html > > > > Folks say it works great, though as I have just started CO2 and can't > judge > > yet. It certainly makes very fine bubbles, and since it only costs $10 if > > you find it in stock it might be worth a try. > > > > MS > > > > On Tue, Jan 12, 2010 at 3:23 PM, Connor Erickson <connordude27@yahoo.com > > >wrote: > > > > > I NEED a co2 diffuser (glass and ceramic please unless you got one that > > > isn't going to break on me) I will be at the meeting and will have > > > cash,guppies,cherry barbs, and a heck of a lot of stargrass. If you > would > > > like to trade for anything feel free if not i'm looking in the $5 > range. > > > > > > Thanks, > > > Connor > > > > > > > > > > > > > > > _______________________________________________ > > > GSAS-Member mailing list > > > GSAS-Member@thekrib.com > > > http://lists.thekrib.com/mailman/listinfo/gsas-member > > > > > _______________________________________________ > > GSAS-Member mailing list > > GSAS-Member@thekrib.com > > http://lists.thekrib.com/mailman/listinfo/gsas-member > > > _______________________________________________ > GSAS-Member mailing list > GSAS-Member@thekrib.com > http://lists.thekrib.com/mailman/listinfo/gsas-member > _______________________________________________ GSAS-Member mailing list GSAS-Member@thekrib.com http://lists.thekrib.com/mailman/listinfo/gsas-member