Neptune Systems Apex Gold Package with Apex Base, Display, Lab pH, Lab ORP, PM2, Lab Conductivity

Our flagship aquarium controllerour 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. If you haven’t done so already, please read our why apex? page to get a high level view of why the apex is so important to your aquarium.