Simplicity 5 Gallon Easy-Fill ATO Reservoir

The Simplicity Easy-Fill 5-Gallon ATO Reservoir keeps your reef aquarium’s water level stable and salinity consistent while simplifying every refill. Compatible with any auto top-off system, this reservoir helps protect your top-off water from evaporation and external contaminants. Its patent-pending, removable wide-mouth lid features an integrated splash guard and converts into a funnel, allowing for clean, stationary refills with fewer spills – even in tight in-cabinet spaces. With an extended reach design that eliminates the need to move your reservoir, it delivers a more efficient, mess-free solution for reef hobbyists who value precision, convenience, and reliability.