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Re: Aquatic Plants Digest V4 #816
I ran the same setup for the CO2 except it was into a fluval 404. Be careful about how much tubing you insert into the intake tube. I put too much in and the flow from the filter intake basically bent the CO2 tubing at too sharp an angle. Thus, the CO2 was not getting out of the DIY bottle and into the filter. Luckily, the bottle did not explore but the caulk that I used to seal the tube in the bottle cap ended up
failing. Nothing catastrophic but it was a pain in the neck to have to reseal the bottle.
> Date: Thu, 1 Feb 2001 09:18:13 -0800
> From: "Grace, Michael" <Michael.Grace at alza_com>
> Subject: Re: filtration questions, Fluval
> Now for the CO2 injection I run a piece of clear rigid tubing (available at
> LFS) down the intake tube to the intake strainer. I cut one of the _bars_
> on the strainer just enough to allow the rigid tubing to enter. I bend a 90
> degree elbow at the end of the tubing (using hot water) and use plastic zip
> ties to secure it to the intake tube. Tip: It is easier to bend more elbow
> than you need, then trim to fit :) Now you just need to push your flexible
> tubing onto the other end above the water line. You could just run flexible
> tubing down to the intake strainer but I find this to be a cleaner
> installation, and you can easily disconnect it if needed. BTW, an airstone
> should not be necessary, just bubble it in.
John Pflum, Jr.
PKG Consultants, Inc.
5533 Fair Lane
Cincinnati, Ohio 45227
Email: jpflumjr at pkgconsult_com