Description
Smart Fill, Failsafe, Vacation-Ready
hygger Aquarium Auto Top-Off System
Your 24/7 Aquarium Assistant: Automatic Water Level Control Gone are the days of daily topping off and worrying about salinity swings while you’re away. The hygger ATO device:
- Automatically Monitors & Replenishes: Precisely adds fresh water to combat evaporation.
- Ensures Tank Stability: Maintains constant salinity and water parameters, which is crucial for the health of coral, fish, and invertebrates.
- Universal Compatibility: A must-have for all reef, saltwater, and freshwater hobbyists.
INTEGRATED WATER REPLENISHMENT SYSTEM
External Control Panel
- Two Operating Modes: automatic and manual.
- Real-Time Temperature Display via a reliable built-in probe for quick, at-a-glance monitoring.
- °C/°F Switch: Change units with one tap. (Accuracy within ±2°).
Smart Dual-Sensor Monitor, Double-Safety
Auto-Start on Demand: The sensitive Lower Limit Sensor detects a drop in water level due to evaporation, instantly activating the pump to refill your tank.
Auto-Stop for Safety: The Upper Limit Sensor acts as a fail-safe, auto-stops the pump when the tank is full, preventing spills and overflows.
Fully Automatic Mode
Set & Forget: The system keeps constant watch, automatically refilling as soon as it drops below the MIN line and stopping precisely at the MAX line to prevent overflows. Enjoy complete peace of mind, perfect for vacations or busy periods.
Manual Mode
Take Direct Command: Need to top off to a specific level or perform a water change? Switch to Manual Mode. With a quick button press, you take control — start or stop the pump instantly to tailor the water level to your exact needs on the spot.
MAGNETIC INSTALLATION, EFFORTLESS SETUP
Indicator Light/ Sound Alarm
Submersible DC Pump with Low-Water Protection
Mini Pump: Dimensions 2.1×1.2×1.1 inches, Max Flow 52 GPH, Max Lift Height 4.9 ft.
Never Run Dry: built-in low-water probe constantly monitors your reservoir. If the water is low, it will alert you and shut off to prevent damage.
Important Note: After the pump shuts off, the pump must be restarted manually to resume operation.
MAGNETIC INSTALLATION, EFFORTLESS SETUP
Mounting Bracket
Holds the water hose firmly in position to prevent kinks and slips.
PVC Water Hose
To avoid siphoning, the hose outlet must be above the water level. If placed underwater, please use with a check valve.
Check Valve
Install in the tubing to prevent reverse siphoning. (Ensure arrow points toward the aquarium for correct flow.)
Power Adapter
Input: 100-240V
Output:12V1A
Cord Length:3.9 ft








