Why You’ll Love It hygger intelligent auto top off system monitor and replenish water in real time for reef/saltwater/freshwater aquariums. It keeps track of the water level with a fail-safe design that includes a top probe to detect reservoir levels. It is easily installed on tank glass up to 3/8” thickness. Key Features 24/7 Aquarium Assistant hygger aquarium ATO refill system adds water to combat evaporation precisely with automatic monitoring. The ATO kit maintains constant salinity and water parameters, which are crucial for the health of coral, fish, and invertebrates, to ensure stability for all reef, saltwater, and freshwater tanks. Multi-function Controller – Temperature monitoring with switchable Fahrenheit/Celsius display, accuracy: ±2°C/±4°F. – Auto water replenishment maintains the aquarium water level within the normal range. – Manual mode can flexibly control the water refill volume as needed. Auto Water Filling Function The ATO system keeps track of the water level in aquarium/sump tank with a smart dual-sensor monitor. When the water level drops below the MIN line, the ATO sensor instantly activates the pump to refill your tank and stops precisely at the MAX line to prevent spills and overflows. Manual Mode When you need to top off to a specific level or perform a water change, switch the ATO system to manual mode. With a quick button press, it starts or stops the pump instantly to tailor the water level. Fail-Safe Design The hygger 229 motor pump features a top probe to detect reservoir levels. When the pump is out of water, the indicator flashes red with a buzzer alarm, and it will auto shut off to prevent dry running. Pump Water In & Out The hygger ATO refill system is easily installed on tank glass up to 3/8” thickness. Comes with a mini DC-powered water pump and a soft hose, which can effectively pump water from a bucket with a head height of up to 4.9ft. It can also drain dirty water out of the tank. Helper For Vacation HG229 automatic top-off system uses magnetic induction technology to monitor and replenish water in real time. It works stably and is anti-interference, which will not affect performance due to bubbles or wave interference. Perfect for vacations or busy periods. Usage Tips ℃/°F Switch: Change units with one tap(accuracy within ±2℃/ ±4°F), readings may differ by up to 4°F from professional thermometers. After the pump shuts off, the pump must be restarted manually to resume operation. Specification Package: 1 x ATO Monitor 1 x 2m soft hose with check valve 1 x Hose clamp 1 x Adapter 1 x Water pump 1 x User manual People Also Buy New hygger AquaCube Air Pump 5W/8W dual outlets for up to 200 Gal10% OFF $33.99 – $42.99Price range: $33.99 through $42.99 Rated 5.00 out of 5 hygger Double Biochemical Sponge Filter Greater filtration area for 10-55 Gal10% OFF $12.99 – $24.99Price range: $12.99 through $24.99 Rated 5.00 out of 5 hygger Double Relay Aquarium Heater 300-1200W double safe heating water10% OFF $57.99 – $79.99Price range: $57.99 through $79.99 Rated 5.00 out of 5 Sold out hygger High Density Hole Aquarium Air Stone 2.6"-4.1" adjust air flow for higher oxygen10% OFF $12.99 – $18.99Price range: $12.99 through $18.99 Rated 5.00 out of 5
