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Shop All Controllers & Testing

Controllers & Testing Equipment allow convenient measurement of important aquarium parameters. Choose from our great selection to help simplify maintenance of 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.
78 results
Neptune Systems EnergyBar 832 Neptune Systems EnergyBar 832
Starting at $279.95
IN STOCK
Neptune Systems Magnetic Probe Rack Neptune Systems Magnetic Probe Rack
Starting at $39.95
IN STOCK
Neptune Systems Optical Level Sensor Neptune Systems Optical Level Sensor
Starting at $24.95
IN STOCK
Neptune Systems LDK Leak Detection Kit Neptune Systems LDK Leak Detection Kit
Starting at $149.95
IN STOCK
PondCare Pond Master Liquid Test Kit PondCare Pond Master Liquid Test Kit
Starting at $23.22
IN STOCK
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