Overview Designed in a crisp blue finish, the Useek Auto Top Off (ATO) system brings precise water level control to both reef and freshwater aquariums

As evaporation occurs, the automatic refill helps maintain stable salinity and water depth, reducing manual topping and the guesswork of daily maintenance

This compact, purpose-built device is crafted to blend with your setup while delivering dependable support for healthier looking tanks

Why you need an ATO Small changes in water level or salinity can ripple through a tank

The Useek ATO helps keep evaporation from nudging salinity higher, supporting steady conditions for corals, fish, and aquatic plants

It’s designed for saltwater and freshwater needs alike, so you have a single system that adapts to your tank’s evolving requirements

Automatic top-off reduces manual topping, preserving consistency Works with reef tanks and freshwater aquariums alike Helps minimize daily fluctuations that can stress aquatic life Space-saving, compact design The unit’s nano footprint echoes its unobtrusive presence in the display or sump

At just about 0

7 inches in diameter, it blends with rimmed or rimless tanks and leaves room for other equipment

Ultra-compact form fits tight spaces Blue finish adds a touch of style without drawing attention I for nano and small-to-medium setups Smart protection with QST -time protection with Quick Sensor Technology (QST) calculates the i fill time and watches for anomalies

It provides visual alerts and automatically stops the pump if a refill takes unusually long, helping prevent overfilling, dry runs, or sensor glitches

Visual alerts for immediate status at a glance Automatic pump stop if refilling time is abnormal Safeguards your tank without constant monitoring Easy installation & versatile use The kit includes everything you need for quick, hassle- setup and easy integration into rimmed or rimless tanks

It is a thoughtful gift for aquarium enthusiasts and a reliable upgrade for ongoing maintenance routines

Simple, tool- installation in minutes Fits a wide range of tank styles and setups A practical, thoughtful gift for hobbyists Warranty & support Enjoy peace of mind with a two-year warranty and responsive customer service

Useek friendly guidance and a straightforward policy if assistance is ever needed

FAQ Q: What tanks is the Useek Auto Top Off compatible with

A: Designed for rimmed or rimless freshwater and saltwater tanks, including reef setups

Q: Is there a warranty on the Useek Auto Top Off

A: Yes—two-year warranty with responsive customer support