DIY CO2 Diffuser Leak
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Old 01-11-2003, 08:05 PM   #1
peterinwa
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I started my DIY CO2 thingy today and it was really easy. The one problem I'm having is that I'm using a 2" Rena diffuser and instead of tiny bubbles coming out of the white shaft of the diffuser only bigger ones are coming out at the black ring at the top of it. (Little ones are not coming out of the shaft and running up to the ring.)

Unless anyone posts otherwise, I will assume the diffuser has a leak and return it tomorrow.

Also of interest:

The Krib instructions said it takes many hours for the CO2 to start being produced, but it only took 45 minutes. Perhaps because I disolved the yeast in 100 degree water per instructions on the bottle.

Also the instructions say my 2 liter bottle will produce 3 to 7 bubbles per second, but it's producing 1 per second and going strong. I used 3/4 cup sugar and 1 teaspoon yeast.
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Old 01-11-2003, 09:28 PM   #2
m.lemay
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Sounds to me like your diffuser is leaking.

You can fixit with some silicone sealant but why bother if you can just return it.

A 2 liter bottle is pretty large for a 10Gal tank.
If you have a power filter you can just attach the hose to the glass with a suction cup and let the suction from the intake suck it in and diffuse it thru the impeller in the power filter. This will also help to dissipate some of the extra CO2.

Marcel
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Old 01-16-2003, 06:08 PM   #3
peterinwa
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I got a replacement diffuser and it did the same thing; leaked at the gasket with no bubbles coming from the white shaft. I'll take it back too.

Instead I made a simple reactor with the bottom of a clear plastic cup. Took minutes; works great; and it's high up in the back corner of the tank and you can't even see it unless you go looking!
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