Kamoer ATO One 2 RO Skimmers Choose the barbed output nozzle

Choose the barbed output nozzle that matches the tubing or return line

Two Little Fishies retaining button

Magnetic optical sensor included: Detects whether water is above or below the sensor location and can be used for water-level alerts

Better installation confidence: The included matching stand removes the uncertainty of pairing a large aquarium with an unsuitable generic cabinet

Kamoer ATO One 2 RO Skimmers Choose the barbed output nozzleKamoer ATO One 2 RO The Kamoer ATO One 2 RO is an automatic top off controller designed for aquarium systems that refill directly from an RO DI or freshwater supply line using a solenoid valve. It uses optical level sensing, magnetic sensor mounting, status indicators, and audible alarms to help maintain stable water level without manual top off adjustments. Kamoer ATO One 2 RO Overview This RO version of the ATO One 2 is made for installations where