I have a base with a SPOM that utilizes 2 electrolyzers. It produces enough oxygen for 16 dupes, but consumes 2kg of water every second. That's 1200kg of water p/cycle, but with lavatories, 16 dupes can only produce 107.2kg of water p/cycle.
My gas valves are set to only allow a total of 1600g p/sec of oxygen through (the exact amount my dupes need) while my electrolyzers produce 1776g p/sec, but because I have 2kg worth of space in the pipes, the gas never builds up to overpressure my electrolyzers and turn them off automatically.
Atmo sensors haven't worked. I've set the electrolyzers to activate only when the pressure is <500g, and the pumps to activate when it's >500 g. I figured that would keep the electrolyzers and pumps on only when they need to be, but the few seconds between when they turn on or off are enough to prevent enough oxygen from getting out; it's like I need to keep the electrolyzers always on.
Is there a way to automate my electrolyzers so they aren't constantly eating water, and I can make an actual closed-loop base, or do I need to find geysers? I am trying to design a base that can support the most dupes in the least amount of space. Do I need fewer dupes to a SPOM?