In two separate savegames, I have experienced an odd occurrence of water disappearing from a closed loop setup containing only a few sinks and a water sieve. As far as I'm aware, there shouldn't be any water loss in this system, as the listed input and output ratios for sinks and sieves alike are 1:1.
The behavior is frequent enough that the amount of water available in such a closed loop decreases notably from one cycle to the next, although I haven't been able to completely isolate what causes it.
I had an assumption that it occurs either while liquids are moving through pipes elsewhere on the map, or maybe while sinks/sieves/toilets are being used on a separate pipe system, while either the offending sink(s) or sieve were active, but after further testing, it seems to happen even being the only active pipe system.
Maybe the sinks delete (a portion of the) polluted water passing over their outputs when connected in series?
Maybe it occurs only while the simulation is running at 3x speed?
Maybe it occurs in any closed loop containing sieves, e.g. the trusty carbon skimmer + sieve combo.
Haven't had the time to test any of these possibilities.
The amount of water that is removed seems variable (perhaps) depending on the usage of the system.
With 2-3 sinks in use more or less constantly, I am experiencing between 5 to 16kg of water unaccounted for per cycle.
Load attached save file.
Note the amount of water available in the closed-loop pipe system on the left. (On load, the downstream side of the sieve should have 10kg/segment, except for the first five segments which are empty. The sinks already contain water, the sieve contains none. In total, this closed-loop system contains 190kgs of water).
Let the simulation run while the dupes move germy water and repeatedly wash their hands.
After having the dupes carry out their sisyphean task for a while (preferably a cycle or longer);
1: Restrict access to the room containing the bottle emptiers,
2: Let the dupes clear out and wait for the sieve to process the water.
3: Be amazed at how the amount of liquid available in the closed loop system is somehow no longer consistent with the initial amount, even accounting for the contents of the sieve.
A developer has marked this issue as fixed. This means that the issue has been addressed in the current development build and will likely be in the next update.
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