Coralvue Hydros Control 4

Use for saltwater aquariums, freshwater tanks, or even pond applications, this powerful controller is capable of performing all essential functions needed to maintain a healthy aquarium without the need for extra expensive modules. Just one Control X4 can monitor temperature, pH, ORP, and water level, to name a few, and control pumps, timers, level sensors, and much more thanks to its technologically advanced design.