Best for Solution / Liquid system
Dyson PencilWash
4.1 feature score
Highest scored product for this feature based on supporting review evidence.
Best Dyson Vacuums for Solution / Liquid system
Solution / Liquid system Decision Dashboard
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3.6 feature score
Balances feature score, supporting reviews, and overall product strength.
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Dyson Spot+Scrub Ai Robot Vacuum
6 supporting reviews
Has the broadest review evidence for this feature.
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The liquid system was generally liked for separating clean and dirty water, adding extra moisture for spots, and avoiding smearing dirt.
Pros: Noise level, Under-Furniture Pickup
Cons: Tool-change simplicity, Crevice / Groove Pickup (Hard Floors)
The liquid system is simple and water-based; some reviews mention you can use a mild detergent, but there is typically only one wet mode and limited control over water flow.
Pros: Debris illumination, Suction &
Cons: Self-cleaning cycle, Dirty water sensor
The liquid system drew praise for fresh warm water and roller washing, but reviewers criticized missing detergent, built-in tank choices, and the need to buy solution separately.
Pros: Fresh Liquid Pickup Speed, Ongoing ownership costs (bags
Cons: Filtration / Dust Containment, Under-Furniture Pickup