The bubble should get smaller while traveling up the reactor unit.
The more co2 dissolved ( smaller it is) the better.
Best reactors make it so there is no bubble seen.

\Marc
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On Wed, 20 Oct 2004 16:41:56 -0400, "gdbj" wrote:

I just recently bought a CO2 system (by fermentation), and the bubbles are
moving throught the "counter": this plastic tray with edges along which the
bubbles travel on their way to the surface.

I was just wondering what I should be seeing. The bubbles travel in the
counter, but go straight through to the top, and then the CO2 just leaves
the tank. I thought the bubbles were supposed to be caught in the tray
apparatus and stay there, instead of escaping out to the surface.

Do I have it set up correctly?

-gdbj