Neptune's Apex System is the best-value aquarium controller on the market today. Dollar for dollar you will not find a higher-quality controller that gives you more features, is easier to use, or has a larger and more active user base than the Apex.
Tracks your manual test results, maintenance, livestock purchases, and tank observations and helps you correlate issues in your aquarium to the things that are happening inside.
The Apex Base Unit is equipped with the following monitoring ports:
The Apex System includes probes for Temperature, pH, ORP, and Salinity. The pH and ORP probes are now double-junction as well so they hold calibration longer and have a longer lifespan than single-junction probes.
The system make it easier to help monitor my tank level and function.