Controllers & Testing
Aquarium Controllers & Testing equipment allow convenient measurement of important aquarium water parameters. Choose from our selection of electronic controllers, monitors, and liquid test kits to help ensure proper water quality of your freshwater or saltwater aquariums. High-tech digital controllers and monitors boast precision lab-grade quality to streamline testing and monitoring of vital aquarium water parameters.
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Neptune Temperature Probe for APEX JR AC3
$32.95
Neptune Systems AquaController Apex PM2 Salinity Module
$89.95
Neptune Systems Practical Multi-Purpose Utility Pump
$39.95
Neptune Systems Double Junction Lab Grade ORP Probe
$94.95
Neptune Systems Lab Grade Salinity/Conductivity Probe
$149.95
Neptune Systems Optical Level Sensor
$27.95
Neptune Systems Solid Surface Leak Detection Probe
$31.95
Neptune Systems 1 Flow Sensor with Unions
$56.99