Kill Bugs, Preserve Food with Carbon Dioxide [Food On A Boat]

As part of our food preservation series, we thought we would share a novel way to keep your dry goods in good condition for a very long time. This is an experiment we are doing this year but we expect it should work well and it is easy and cheap: We are storing our dry food in a CO2 environment. This is great for anyone needing to keep foods fresh a long time, whether you are heading off on a long sailing trip or preparing for the zombie apocalypse.
This works by keeping your food away from oxygen and keeping a high enough CO2 level around it to kill any bugs that might have contaminated the food.
In this video, Clark explains the science and gives a demonstration.

CARBONATION SYSTEM PARTS (Total $150-$175)

10-lb Tank ($75):
5-lb Tank ($65):
Regulator ($31):
Hose ($20):
Ball Lock Valve ($5):
Brass Fitting ($5):
Best Carbonation Cap, Hose & Air Stone ($18):

Emily's favorite Lock 'n' Lock containers (most compact version):

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