Saturnus Posted September 21, 2017 Share Posted September 21, 2017 This is an old trick I originally used in the morbid oxygen build but since then how doors work have changed a few times. Now they destroy gases again if there is nowhere for the gas to go. So how can we exploit that. Well, simple, CO2 always goes to the bottom right corner of your base, so if you put something there that dupes have to go to, like for example a lavatory that they have to visit at least once per cycle, and you put doors if front of that all CO2 in the base will be destroyed. You can also use it with outhouses and compost heap since we know from tests that polluted oxygen in an oxygen environment does not move up or down but only moves sideways, we can put an outhouse and compost heap behind the doors and all polluted oxygen generated by these will also be destroyed. Here a quick mash up on how it's built. Note the tiles above the doors are needed to ensure gas in the two middle doors have nowhere to go. It is also best to have an open structure so gases can enter from each side but if you have a small amount of dupes you might want to avoid that as that could also delete a fair amount of perfectly good clean oxygen. For those interested I've included the link to my original build since archived threads are a bit hard to find on this forum. Link to comment Share on other sites More sharing options...
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