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I build some Quantum Processor production on Aquilo and noticed that that the hot Fluoroketone still disappears in the UI even though I have no Output pipe connected. After some testing it looks like the Electromagnetic plants have a large internal buffer. Way more than the 400 fluid units it displays.
I also tested it on Processing unit production where the same thing happens.
I'm not sure if this behavior is intended or not but it is quite confusing.

I also tested if other buildings store more Fluid then they display in the GUI but they don't show the same behavior.

Thanks for the report however this is working correctly. They have pass-through pipes built into them.

So the extra Fluid is stored in the pass-through pipes?

Timeania wrote: Wed Apr 23, 2025 8:13 pm So the extra Fluid is stored in the pass-through pipes?

Yes

I noticed this also with just a steam engine and boiler connected directly together. The boiler ran out of steam but then it took a while for the steam engine to start depleting, it was just staying at 200/200. Very different behavior than 1.1 and very confusing, it makes the ui values kinda obsolete because they dont tell the full story. Can this be fixed?

raiguard is planning to improve this for 2.1, see e.g. 128174 and 126571.