The 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...
Oxyguard Dissolved Oxygen Probe
0 to 19.9 ppm
Lab quality probe w/ 10ft cable
Temperature, Altitude, and Salinity Compensation
Mini Din 6 Connector PC Serial Cable In order to connect the AquaController to a PC, ...