Red Sea 3-in-1 ReefATO+ System Alkalinity Every LifeRock from CaribSea has

Every LifeRock from CaribSea has an artificial coating and texture that mimics natural coralline algae after being in the ocean for years

In particular

Keep an extra canister of activated carbon ready

with vibration absorbing components and a large air intake silencer

No phosphates are added

Red Sea 3-in-1 ReefATO+ System Alkalinity Every LifeRock from CaribSea hasThe ReefATO+ is designed to maintain a stable salinity and water volume in a reef aquarium by automatically replenishing the water lost due to evaporation. In addition, the ReefATO+ provides two other critical aquarium health indicators: a fully featured on line digital temperature monitor and a leak detector.