[PSUBS-MAILIST] CO2

[Rick Patton via Personal_Submersibles]

Does anyone remember who sat in their sub with the hatch closed to see how
long they could stay before the Co2  PPM became dangerous?

Rick

On Fri, May 23, 2025 at 9:22 AM Rick Patton <satwelder at gmail.com> wrote:

> Someone posted a while ago that they sat or layed in their sub until the
> PPM got dangerous.
> Can't remember who that was? Wanted to get more information from them if
> possible.
> Thanks
>
> Rick
>
>
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