The Trigger Systems Titanium ATO 10 Gallon is an advanced auto top-off system designed to maintain stable water levels and salinity in your saltwater reef aquarium. This essential equipment automatically replenishes evaporated water, preventing undesirable fluctuations that can stress corals and fish. It seamlessly integrates into your setup, providing both critical functionality and a sophisticated aesthetic. This 10-gallon ATO unit boasts a stunning design that perfectly complements Trigger Systems Titanium sumps, featuring a white bottom, smoke sides and back, a sapphire blue top with black wrap, and a crystal clear front with black wrap. It measures 10 inches long, 16 inches wide, and 15 inches tall, and includes built-in LEDs with multiple color options controllable via a remote or app. Practical features include two 1/4 inch hose quick disconnect ports, a recessed polycarbonate lid to minimize evaporation, a wire holder for organization, and a vinyl water level marking on the front. It also comes with a dedicated holder for a Neptune Liquid Level Sensor, though the sensor itself is sold separately. The Trigger Systems Titanium ATO 10 Gallon is ideal for discerning reef aquarists who demand both high performance and elegant design in their equipment. Its cohesive look makes it a perfect match for those already utilizing Trigger Systems Titanium sumps, enhancing the overall professional appearance of their filtration area. This product is best suited for hobbyists seeking reliable, precise water level management combined with a clean, organized, and visually appealing setup.