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post #1 of 6 (permalink) Old 12-16-2011, 12:08 AM Thread Starter
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Paging Rex CO2 Diffuser Users

My build is about 90% finished. All I need to do is make some brackets for it to hold onto the cabinet.

A few members claimed it would dissolve the CO2 almost completely.

Then I saw this: http://www.youtube.com/watch?v=odKHGt7iB54

Any of you folks had this problem? Or, if you have, what's the remedy?

The longer I'm involved in this hobby the more & more I'm convinced that Bio-Type species tanks are the way to go. Plants and fish/inverts live together in nature for a reason. I find the less I try to fight nature the better my tanks look.

- DogFish 1.24.12
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post #2 of 6 (permalink) Old 12-16-2011, 01:25 AM
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no problems here using two of them


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post #3 of 6 (permalink) Old 12-16-2011, 02:50 AM
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My rex reactor sprayed bubbles out for awhile until the air trapped in it got blown out, took maybe a day.

Just make sure it is standing up or leaning with the flow going out the bottom.
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post #4 of 6 (permalink) Old 12-16-2011, 02:55 AM
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There are ways to make a Rex reactor not quite right. Several of them. And they vary depending on amount of CO2 injected and power of the canister.

They work. So do Cerges. But to expect one to work perfectly the first time you try your hand at building it is silly. I'm on build number three. The first and second worked fine, but I "improved" the first after an eventual leak, and improved the second when I wanted to mount it someplace new. At 3-4 JBJ-style bps, with a SunSun 302, I get zero bubbles shooting out of the spraybar.
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post #5 of 6 (permalink) Old 12-16-2011, 05:16 AM
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I run a huge 3" diameter, 25" tall reactor for my fx5. I still get decent amount of micros bubbles running about 3bps on my JBL counter. It still gets my drop checker yellowish in my 75 gallon tank, but I wish it would dissolve all the way. I put some extra filter floss in the media rack to slow the filter, but that only slightly improves it. I don't know if this is a factor, but instead of drilling the airline into tube itself I hooked up an air intake knob on the elbow piece the brings the water into the canister. This is more aesthetic for my, but I can hear slight slushing when the air is going in. Very slight sound, but present none the less.
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post #6 of 6 (permalink) Old 12-17-2011, 05:18 PM
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Quote:
Originally Posted by Java Moss View Post
My build is about 90% finished. All I need to do is make some brackets for it to hold onto the cabinet.

A few members claimed it would dissolve the CO2 almost completely.

Then I saw this: http://www.youtube.com/watch?v=odKHGt7iB54

Any of you folks had this problem? Or, if you have, what's the remedy?
Maybe I am lucky, but all three I have made have dissolved 100%, but all were on relatively small tanks and relatively low flow filters(eheim 2213, Fluval 204, Filstar xp3.

Quote:
Originally Posted by Java Moss View Post
My build is about 90% finished. All I need to do is make some brackets for it to hold onto the cabinet.
If you made it out of standard standard PVC there are lots of standard brackets to hold PVC. Below is a pick of my latest build that uses a bracket I picked up at Home depot They come in a pair easy, solid, and easy to remove for cleaning.



This is hooked to a Fluval 204 on an Edge tank. I would have probably stepped up the tubing diameter on this one had I done it again. It works at a little less than 1 bps, but at a higher rate it probably would not be effective.

HTH
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