Red Sea Reef ATO+ System Frozen & Refrigerated Food Dual outlets support multiple air

Dual outlets support multiple air stones or compatible air-driven aquarium devices

5 Gallon Flex Freshwater Display

If stacking multiple pieces or using the donut as a coral seat

Start the VarioS pump at a conservative setting

Red Sea Reef ATO+ System Frozen & Refrigerated Food Dual outlets support multiple airRed Sea Reef ATO+ System The Red Sea Reef ATO+ System is a smart 3 in 1 auto top off, temperature monitor and leak detection system for saltwater aquariums, built to help maintain stable water volume, salinity and day to day reef system awareness through Red Sea's ReefBeat ecosystem. Smart Auto Top Off for Stable Reef Salinity Evaporation removes freshwater from a reef aquarium but leaves salt behind, which can gradually raise salinity if top off