JBJ Nano ATO - Advanced Auto-Top-Off System

JBJ's Most Advanced ATO The JBJ Nano ATO is the perfect upgrade for your aquarium. JBJ's most reliable auto-top-off system is reimagined with dual optical level-sensors for ultimate precision. Enjoy the compact versatility of a digital sensor without  ompromising the security of overfilling your tank. Installation is quicker than ever, and everything you need to get started is included in the box. Optically Accurate The included protective cover prevents tank inhabitants from covering the optical sensor. Additionally the protective cover reduces sudden changes in light or water surface disruption from affecting the sensor. This ensures accurate water level measurements every time. The complete waterp The complete waterproof design allows the sensor to be mounted virturally anywhere. The magnetic mount can hold securely up to 15 mm glass thickness. Quick Installation1. Install the ATO with a water level mid-level or lower than the ATO.2. Place pump in reservoir, place tube in tank