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yeast co2

J.Miller wrote:
>>I have just set up a yeast co2 system for my 20g planted tank.  it took
about a day and a half before the pressure in the bottle was high enough to
push bubbles into the tank.  After about ten minutes, the pressure dropped
and the bubbles stopped.
Any ideas how to keep the pressure up?

Set up a "Management by Objectives" program and send it lots of intimidating
memos :-).

What recipe are you using for your yeast?  I rarely have to wait longer than
3 or 4 hours for mine to build up sufficient pressure, and I have a pretty
"tough to blow through" check valve in line.  It lasts about 3 weeks, though
the rate declines the whole time.