[APD] RE:Re: CO2 off at night etc

["Robert H" <robertph3 at comcast_net>]

>>Folks don't have to use a solenoid to convert to semiautomated CO2
control.
They can use a powerhead that pushed water through a CO2 reactor etc. When
the reactor stops flowing, the gas stops being dissolved. The excess gas
burps out into the air above.<<

Seems like kinda of a waste of gas though... if the powerhead is submersed,
why wouldn't the gas still go into the water with the powerhead shut off?
Wouldn't that be the same with any sort of internal reactor? And what if you
are using an external reactor, where does the gas go then? Regulators with a
solenoid included are so cheap now, its more expensive to buy a regulator
and a powerhead than just a regulator with a solenoid. Spend the money you
save on a really good reactor.

Robert Paul Hudson
www.aquabotanic.com

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