this post was submitted on 29 Aug 2026
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Satisfactory
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Man, that was really bothering me on this run, too. 90% of the time, I can just avoid pumping fluids at all by always having the extractor and the destination at about the same level. But there was one spot where I needed to get water to the top of a factory building, and that was just a huge pain. I'd get it working, get it flowing ... and then it would randomly stop for no apparent reason? Even after making the pipeline more pumps than pipe, it still kept happening. I'd get back from doing something else to find that particular factory backed up and shut down because the water pumps had stopped working again. And only flushing the entire pipeline could get it to (eventually) work again, after waiting for the water to slowly make its way up from the extractor again.
Normally I don't bother at all with the fluid packaging/unpackaging tech, but in that instance, I was considering actually packaging the water and using a conveyor to get water containers to the top instead.
(In the end, adding a couple of fluid containers at the top seemed to fix the problem ... or at least delay the problem enough that I never ran into it again.)
It's really old code that I think the devs are scared to touch in case they break something. It uses floating point numbers, so you can never fully utilise a pipe, it'll be 599.999pm instead of 600pm. You can't keep the fluid flowing because it takes it in chunks.
I had multiple factories working fine, but after many many hours of it slowly being 0.00001 off somewhere due to a rounding error, it stopped working and brought many lines to a halt.
It needs updating really badly. But I just think the devs are content with how it is now and don't want to risk breaking things more than they already are. Which is unfortunate. I mean if they release a DLC, I really hope they tackle all the issues first.
Why not just give your fluid pipelines some margin for error?
For example, if a set of machines needs 200 units per minute, make sure the production and pipeline supplying them can supply at least 210 units per minute. Your fluid production won't be quite 100% utilized all the time, but it means your fluid-dependent machines will never have this 'rounding error' issue and it will never slow down the rest of the factory.
I do, but its still not good enough sometimes, especially if height changes are involved. In my most recent factory i had a surplus of 5pm in a pipe and the fluid still slowly went missing. It's too buggy. The point is, I shouldnt have to. If I put 600pm into a pipe, 600pm should come out.
You can work around things as much as you want to "finish" the game. If you want to actually sandbox and build a factory, you end up fighting the game more than actually building.