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Re: CO2 controller....

Dave Gomberg Wrote:
>I really don't understand what all this is about.   There are huge pH
>swings in natural ponds, and yet the fish and plants do fine.   What is it
>we are trying to achieve here?

The idea is to adjust KH to about 4.5 - 5 and then use CO2 to lower the PH
to 7.0, attaining 15 mg/l of CO2.  I would use the PH controller to open and
close a solenoid valve for the CO2 to maintain this balance.?