Neptune System Apex Controller
The best-value aquarium controller on the market today. This model of the Apex has Wi-Fi built-in, is easy to set up and use, includes temp, pH, ORP, and salinity monitoring with many useful and tank-saving features. Combined with the free Apex Fusion cloud service, you can check in on your aquarium from virtually anywhere in the world. It will even text you if there is a problem with your tank!