this post was submitted on 08 Jan 2025
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[โ€“] jet@hackertalks.com 10 points 1 day ago (1 children)

Nitrogen is denser then air, so you can have a float indicator at the rim of the unit, if the nitrogen dips to low you pump in more until the float... floats. All mechanical, no electronics needed!

[โ€“] Fermion@feddit.nl 2 points 1 day ago

Atmospheric air is mostly Nitrogen. Nitrogen from a bottle mixes readily with atmospheric air.

Sulfur hexafluoride would work a lot closer to what you are describing. Although assessing the safety of dissolving any gas into your food would require careful consideration. Also, sulfur hexafluoride is a very strong greenhouse gas, so that could easily negate any other benefits.