Dirty-water detection was praised as impressive because it triggered extra cleaning behavior after dirty mop washing.
Pros: Build quality and durability, Dirty water sensor
Cons: Edge‑Following Accuracy (Robot), Emptying and Mess Control
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The dirty-water sensing and remopping features were praised as useful when mop pads came back especially dirty.
Pros: Surface safety with attachments, Area Rug Handling
Cons: Accessories and Tools, Clogging and debris prevention
Dirty-water sensing was praised for triggering repeat mopping in dirty areas.
Pros: Build quality and durability, Ease of use
Cons: Large debris handling, Kid-friendliness
Dirty-water sensing and remopping were praised as useful automation for dirtier mopping jobs.
Pros: Assembly and Setup, Price and Value
Cons: Dried-On Stain Removal, Overall durability/longevity
Dirty-water or dirt-sensing re-clean behavior was described as working, though evidence was limited.
Pros: Energy efficiency (kWh), Stuck resistance
Cons: Support and Reliability, Streaking / Residue
Dirty-water detection was appreciated when it triggered or could trigger remopping, though one test did not activate it.
Pros: Hair Pickup — Hard Floors, Emptying and Mess Control
Cons: Filtration / Dust Containment, Bin and Bag
Dirty-water sensing and remopping were viewed as useful, with the Roborock’s one-pass remop behavior considered sufficient.
Pros: Overall cleaning convenience, Runtime
Cons: Solution / Liquid system, Crevice / Groove Pickup (Hard Floors)
The dirty-water sensor was viewed as a useful dock feature because it could detect dirty pad water and trigger additional cleaning.
Pros: Fresh Liquid Pickup Speed, Hard Floor — Large Debris Intake
Cons: Hair-removal channel issues, Accessories and Tools
Dirty-water sensing is praised as a useful advanced base-station feature that can trigger additional cleaning.
Pros: Edge‑Following Accuracy (Robot), Support and Reliability
Cons: Ongoing ownership costs (bags, filters
Dirty-water-driven automation was praised as useful through CleanGenius, which helps decide how much cleaning floors need.
Pros: Heating element, Floor shine after cleaning
Cons: Support and Reliability, Suitability for small spaces
Dirty-water sensing and remopping are helpful when they trigger, but one review found automatic remopping failed on test stains.
Pros: Assembly and Setup, Clogging and debris prevention
Cons: Solution / Liquid system, Suitability for heavy-duty use
Dirty-water/DirtSense evidence is qualified, with reviewers seeing it work in some ways but not always trigger extra cleaning when expected.
Pros: Accessories and Tools, Storage footprint and upright-stand stability
Cons: Heating element, Suitability for heavy-duty use