AUTOAQUA Smart ATO micro
The Smart ATO Micro is a unique Auto Top Off system that monitors and automatically refills evaporated aquarium water. Smart ATO micro is the worldwide Smallest ATO system which uses a patent pending optical level sensor without moving parts that can fail. The ATO Micro is incredibly easy to install and can be used for nano aquariums. Integrated with Quick Security Technology (QST) it provides real-time fail Safe protection against failure. The controller will give an audible and visual alert when it senses any other refilling time is 3 times longer than the first refilling time. For example, if the first refilling time is 10 sec, it will alert when any other refilling time is over 30 sec.