Meet the FZONE Aquarium ATO Auto Top Off System, a compact, reliable solution designed for both reef and freshwater tanks

The 360P model features a nano profile of only 0

7 inches and is suitable for rimed, rimless aquariums or sumps, helping you tuck the unit away in tight spaces while keeping the display area clean and accessible

Two 1 mm precision optical sensors monitor the water level in time, delivering continuous feedback that keeps water level fluctuations under 0

6 cm

This precise sensing supports a steadier evaporation compensation and helps your equipment maintain a more consistent environment without daily manual adjustments

The system is quiet by design and aims to minimize surprises when you wake up or come home after work

Smart fill dynamics are at the heart of this ATO

EFTT (Extended Fill Time Technology) analyzes tank size and estimates how long it will take to reach the target level

If the required fill is unusually long, QST 2

0 provides a time visual alert and prevents over filling

AFT (Anti-fluctuation Technology) reduces pump activation when it is not needed, contributing to lower wear and quieter operation over time

Together, these technologies a balanced approach to maintaining stable water levels across different evaporation rates and tank sizes

The 360P also -time protection against overfilling and pump run dry

If a sensor, controller or reservoir malfunctions or runs low, the ATO alerts you and stops the pump to avoid unintended events

The upgraded QST 2

0 includes new safety features that enhance reliability for daily use, helping you feel more in control of water management even during extended absences

Everything you need ships in the box

The included magnets support aquarium walls up to 0

78 inches (20 mm) thick, a check valve blocks backflow so the main display does not drain, and the 74 GPH pump can lift water up to 2 meters, ensuring dependable top-off for larger tanks

The combination of a compact form factor and a capable pump makes it suitable for a wide range of setups, from nano systems to mid-size displays

FZONE backs this product with round-the-clock customer service

The team is available for product related questions or concerns, helping you get the most from your setup while you monitor your tank conditions

This support is designed to complement the intelligent hardware for a smoother, more productive aquarist experience

Key capabilities Ultra-compact design fits in tight spaces and works with rimed or rimless setups Dual optical sensors for -time water level monitoring Water level stability within 0

6 cm of the target for consistent evaporation control EFTT, AFT and QST 2

0 technologies for safer operation What is included and compatibility All necessary accessories included for immediate setup Strong magnets support up to 0

78 inch thick aquarium walls Check valve prevents backflow and unintended drainage 74 GPH pump delivers water up to 2 meters height FZONE 24/7 customer service for support How to install and use Mount on the tank wall or place under a sump with the included hardware

The dual sensors monitor the surface and provide alerts if levels drift, allowing you to adjust accordingly without daily manual topping off

FAQ Q: What tanks is the FZONE Aquarium ATO 360P suitable for

A: Rimmed or rimless tanks and sumps, for reef or freshwater setups

Q: How do the dual optical sensors improve safety

A: They monitor water level in time and trigger safeguards against overfill