AUTOAQUA

International Model, ONLY available in Asia, Australia, Africa, and Europe.
No warranty or support will be provided if purchased in the USA, Canada, or Mexico.

With its Square Dual-Optical-Sensor which provides precise detection of water level, Smart ATO Duo G2 can automatically replenish your aquarium to maintain a consistent salinity level better than manually and save you from this annoying chore.

EXTREMELY COMPACT DESIGN

Smart ATO Duo G2 is one of the most compact dual-sensor ATO in the world. Equipped with a new generation of the Square Dual-Optical Sensor, simple user-frinedly controls, and strong construction, it is easy to use for anyone and anywhere.

INTELLIGENT SECURITY TECHNOLOGY

The unique QST (Quick Security Technology) can detect sensor or pump failure and avoid overfilling instantly without any complicated settings. With the intuitive LED indicator and the audible alarm, you can know its status at a glance.

SUPERIOR EVOLUTION OF SAFETY

The patented Square Dual-Optical Sensor, which significantly reduces the chance of false detection due to waterdrops. It features with strong construction, ultra-resolution, magnet mounting, and easy maintenance. It can be set at any colors of the aquarium and work well in full dark.

PURSUIT OF PERFECTION

The special design of the Smart ATO Duo G2 controller can prevent the connector of the pump and the power adapter from rusted or damaged due to water and ensure users safety and longer product lifetime.

BREAK THE SIPHON

Starting from the first-generation, Smart ATO micro, we invented the first siphon break as a standard equipment for all ATO system, which allows aquarists solve the siphon issue easily.

Incomparable Effectiveness and Efficiency

Smart ATO Duo G2 is a compact auto top off system for any size aquariums. Combined an ATO level sensor and a fail-safe sensor in one pack with a touch controller and integrated with QST (Quick Security Technology), it provides real-time protection against any failure and detects reservoir empty. Smart ATO Duo G2 offers you a safe and economical choice of auto top off!

Overall, this Smart ATO Duo G2 helps maintain the water salinity at a very constant level and save lots of time from refilling the tank manually. Simple is the best way to maintain your aquarium!