Apex EL Controller System

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APEXEL CONTROLLER SYSTEM The ApexEL makes keeping your aquarium easier while also monitoring key parameters such as temperature, pH, and the health of your connected equipment, for under $500* The ApexEL System includes probes for Temperature and pH. The pH probe is double-junction as well so it holds calibration longer and has a longer lifespan than single-junction probes. For more information, please click here. Includes: Apex Control EL Head Unit Energy Bar 832 6 ft Aquabus Cable Lab Grade Double Junction pH Probe Temperature Probe pH calibration solutions Show more