Oxygen Not Included Wiki

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This article contains outdated information that is inaccurate for the current version. It was last updated for LU-356355. Unreflected changes in the discussed game mechanics are detailed here: EX1-469287 • FA-471618
This article contains outdated information that is inaccurate for the current version. It was last updated for LU-356355. Unreflected changes in the discussed game mechanics are detailed here: EX1-469287 • FA-471618


Chlorine is a gas found naturally occurring in the map. It is the second highest density gas after Carbon Dioxide at the same temperature. Chlorine is a great deterrent against germs, and the best possible heat insulator among gases.

Chlorine is deadly to all germs including Food Poisoning and Slimelung. Surrounding any storage building with chlorine for a full cycle is a sure way to totally disinfect all contents of said building. A Duplicant traveling through Chlorine will not be cured of any diseases, but the surface germs on them will be subjected to the toxic gas.

As of version EX1-449549 onwards, Duplicants moving through Chlorine for more than three seconds will be hit by the Eye Irritation debuff, which reduces Athletics.

Production[]

Usage[]

  • A Chlorine gas room is great at disinfection and heat insulation.
    • It is good for germy slime storage and processing (or any items you want to disinfect). Just remember that it takes a full cycle to destroy all germs.
    • While not perfect, it also can serve as early, more-resilient alternative to the Vacuum chamber.
    • As an insulator it is slightly worse than Insulated Tile made of Ceramic, however its low density makes it a poor buffer even when pressurized.
  • The Ore Scrubber removes germs from objects and it is a way to use chlorine. However, it needs a duplicant operator, who also needs to handle the infected goods.
  • Dasha Saltvine requires Chlorine atmosphere and consumes small amounts of it (6 g/s, or 3.6 kg/cycle).
  • Gas Grass consumes liquid Chlorine (500 g/cycle).
  • Failing to use excess of Chlorine, you can always pump it out into the void of Space.

Misconceptions[]

  • For a time it was believed that deleting Germs consumes Chlorine, which is false.
    • This rumor started because Polluted Dirt off-gassed Polluted Oxygen in a one-tile box filled with Chlorine, which results in the deletion of some gas, which was incorrectly interpreted as the consumption of Chlorine. A similar phenomenon can be observed in steam chambers, as elaborated in this forum post.
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