Best Robotic Vacuums for Dirty water sensor

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#1 Roborock Q Revo Pro Robot Vacuum and Mop
5.0

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

#2 Roborock Saros Z70 Robot Vacuum and Mop
5.0

Dirty-water sensing is praised in the one review that discussed it, especially for triggering remopping after dirtier mop-water readings.

Pros: Noise level, Maneuverability and Handling

Cons: Clogging and debris prevention, Bin and Bag

#3 Roborock Qrevo Slim Robot Vacuum and Mop
4.6

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

#4 Narwal Freo Z Ultra Robot Vacuum and Mop
4.6

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

#5 Mova V50 Ultra Complete
4.6

Dirty-water/stain-sensing evidence is positive overall, with reviewers praising automatic dirt detection, remopping, and avoiding dirty-water drag.

Pros: Accessories and Tools, Hard Floor — Fine Dust Pickup

Cons: Airflow blowback, Scratch resistance

#6 MOVA P10 Pro Ultra Robot Vacuum
4.5

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

#7 Roborock Qrevo Curv S5X Robot Vacuum and Mop
4.5

The dirty-water sensing remop behavior is praised because it automatically sends the robot back over dirtier areas.

Pros: Mopping performance, Controls and UI

Cons: Area Rug Handling, Accessories and Tools

#8 Roborock Saros 10R Robot Vacuum and Mop
4.5

The dirty-water sensor was valued as part of the dock’s automatic rewash logic.

Pros: Tool-change simplicity, Battery and Charging

Cons: Cord management, Support and Reliability

#9 Dreame L40 Ultra Robot Vacuum
4.4

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

#10 Roborock Qrevo Edge S5A Robot Vacuum and Mop
4.4

Dirty-water detection was mixed: several tests triggered remopping successfully, while one dried-stain test failed to send the robot back automatically.

Pros: Clogging and debris prevention, Floorhead design

Cons: Adaptive chassis lift, Solution / Liquid system

#11 Roborock Qrevo Master Robot Vacuum and Mop
4.3

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

#12 Roborock Qrevo Curv Vacuum and Mop
4.3

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)

#13 Roborock Qrevo MaxV Robot Vacuum and Mop
4.3

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

#14 roborock Qrevo Curv 2 Flow Robot Vacuum
4.3

Dirty-water sensing and remopping received positive but limited evidence when reviewers saw the robot return for additional cleaning.

Pros: Maneuverability and Handling, Versatility

Cons: Under-Furniture Pickup, Low-profile design

#15 Dreame X40 Ultra Robotic Vacuum
4.2

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

#16 Dreame X30 Ultra Robot Vacuum and Mop Combo
4.0

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

#17 Roborock Qrevo Edge Robot Vacuum and Mop
3.7

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

#18 Roborock Saros 20
3.7

Dirty-water or dock dirt-detection feedback is moderately positive, helping trigger repeat cleaning, though not always class-leading.

Pros: Sanitizing performance, Odor control

Cons: Fresh Liquid Pickup Speed, Ongoing ownership costs (bags

#19 Yeedi S14 Plus Robot Vacuum
3.5

The dirty-water notification worked, but the wording caused initial confusion before the reviewer realized it only needed emptying.

Pros: Pet-Ready Features, Hair Pickup — Carpets

Cons: Odor control, Build quality and durability

#20 Narwal Freo X Ultra Robot Vacuum and Mop
3.2

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

#21 Mova P50 Pro Ultra Robot Vacuum
3.0

Dirty-water sensing evidence was limited and mixed because one muddy-paw test did not trigger the hoped-for remopping event.

Pros: Hair Pickup — Hard Floors, Corner Cleaning (Robot)

Cons: Carpet — High-Pile Pickup, Support and Reliability

#22 eufy Robot Vacuum Omni C20, Robot Vacuum and Mop
2.5

Dirty-water sensing was a weakness because one reviewer noted the robot lacked a sensor to judge whether remopping was needed.

Pros: Overall cleaning convenience, Storage footprint and upright-stand stability

Cons: Kid-friendliness, Obstacle Avoidance (Robot)

#23 Roborock Qrevo S Robot Vacuum
2.5

The absence of dirty-pad sensing was treated as a limitation because the robot cannot detect dirty pads and return on demand.

Pros: Versatility, Floor shine after cleaning

Cons: Odor control, Stuck resistance

#24 DREAME L40s Ultra Robot Vacuum and Mop
2.0

Dirty-water sensing was criticized because one reviewer noted the missing dirt-detection sensor in the base.

Pros: Hair‑Wrap / Tangle Resistance, Aesthetic design and finish

Cons: Dirty water sensor, Scratch resistance

#25 Dreame X60 Max Ultra
2.0

Dirty-water or remopping behavior was weak in one test where expected remopping did not occur after a coffee run.

Pros: Hair Pickup — Carpets, Large debris handling

Cons: Stuck resistance, Dirty water sensor

#26 Mova Mobius 60
2.0

Dirty-water sensing scored low because a reviewer criticized the lack of a dirt detection sensor.

Pros: Obstacle Avoidance (Robot), Carpet — Medium-Pile Pickup

Cons: Dirty water sensor, Runtime