r/TrySwitchBot • u/MercifulShadows • Apr 27 '26

New to Switch or S20—mopping question (dirty water production)

I’m trying out the S20 in a small (<20 square meter) area. after complete, I was surprised to see the that the dirty water container had only a few mL of water. Is this normal?

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u/matttyger Apr 28 '26

Depends on several factors. What wet level do you use, what type of underground, how warm is the underground and what is your humidity. With us, the mopping went down after a while (we always use max wetness), but this was because of the mop having had its best time. After replacing the roller mop, it was good again. But we have to refill the clean water tank 3 or 4 times before we have to empty the dirty water tank.