The cleanwater™ tub is designed to fit most single- and double- basin kitchen sinks and standard adult bathtubs.
The cleanwater tub requires two AAA batteries to power the LCD screen and digital thermometer.
Locate the battery compartment cover on the underside of the tub. Turn the cover counterclockwise to open. Properly insert two AAA batteries into the compartment. Replace the battery compartment cover and turn clockwise to tighten. Press On/Off button to check if product is working properly.