Trigger Systems ATO Reservoirs

This ATO Reservoir by Trigger is the perfect addition to your Crystal Sump, matching the colors and design perfectly. Manual refilling can be very demanding and challenging, help alleviate some of the burden by implementing an Automatic Top-Off Reservoir into your aquarium's setup. Holding 10 gallons of excess water, the reservoir serves as a convenient source for topping off evaporated aquarium water. This reservoir features a lid to prevent rapid evaporation, as well as two 0.25-inch OD hose ports.