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Re: [APD] Re: CO2 usage in a sump versus non-sump

Which overflow, the CPR or another one?

Scott H.
--- Larry Jones <ljones at usc_edu> wrote:
> I noted a huge decrease in my CO2 usage when I bought a
> CPR overflow. . .But this overflow
> seems to save me much CO2 and it is also much quieter.

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