Worry not to worry even if you buy a drink with a dauba, I washed the log "Washable Keyboard K310 Logitech" to wash the dirt actually washed - GIGAZINE
Logitech K310 Washable Keyboard – Computer Plus
Logitech K310 Washable Keyboard Review - The Checkout presented by Ben's Bargains
Logitech K310 Washable Keyboard Review- Just Soak it - YouTube