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    Upgraded Aquarium Auto Top Off System with Dual Optical Sensor for Reef & Fresh Tanks (Duetto V2026)

    • MT Duetto is an upgraded version features the external controller with a physical buttons, which supports one-touch pause, allowing users to conveniently pause the system during aquarium maintenance. With the built-in buzzer in the controller, users are directly alerted to any issues or risks. In comparison to the previous version, the LED indicator lights have been integrated into the external controller, effectively eliminating light pollution within the aquarium.
    • Compact size with integrated 1mm high-precision dual optical sensors. With a footprint of only 0.8 inches, it occupies minimal installation space, making it suitable for both rimmed and rimless tanks of all sizes. The dual optical sensors: one for monitoring water replenishment and the other for anti-overflow protection. This ensures that evaporated water is promptly replenished, maintaining a stable water level in the aquarium while effectively preventing overflow issues.
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    Featuring a dual anti-overflow mechanism, this product incorporates an advanced anti-overflow sensor and a sophisticated overflow prevention algorithm. Upon initialization, it identifies the size of the aquarium, calculates the necessary water replenishment duration, and sets the timeout for the replenishment alarms, ensuring comprehensive protection against overflows.
    All Necessary Accessories -12V DC water pump (1.5x1.5x2.0inch, 74GPH, 8.2 ft head), power adapter, anti-siphon check valve, (1.5m), mounting cracket, instruction manual, ATO controller
    Widely applicable, this product is designed for use in all freshwater and saltwater aquariums, including AIO tank sumps, bottom-filter sumps, and freshwater display tanks. Additionally, it comes with a warranty
    2-Year Warranty,Mag Tool offers a 2-year warranty on your products. Our customer service is always online. If you have any questions, please feel free to contact us. Providing you with a satisfactory solution is our after-sales goal.




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