Comment on Half a pound of this powder can remove as much CO2 from the air as a treeparentComments−telgareith1yYou don't need any CO2. Oxygen bottle, co2 scrubber, pure oxygen purge prior to diving... and you've got yourself a rebreather.https://en.m.wikipedia.org/wiki/Rebreather
Comments
You don't need any CO2. Oxygen bottle, co2 scrubber, pure oxygen purge prior to diving... and you've got yourself a rebreather.
https://en.m.wikipedia.org/wiki/Rebreather