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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.
97 results
New Product
Neptune Trident  Reagents Neptune Trident Reagents
(7161)
Starting at $44.95
IN STOCK
New Product
EcoTech Marine Versa Base Station EcoTech Marine Versa Base Station
(7154)
Starting at $150.00
Neptune Systems Apex Base Unit Neptune Systems Apex Base Unit
(6101)
Starting at $399.95
IN STOCK
Neptune Systems ApexEL Aquarium Controller Neptune Systems ApexEL Aquarium Controller
(6616)
Starting at $499.95
IN STOCK
Neptune Systems EnergyBar 832 Neptune Systems EnergyBar 832
(5164)
Starting at $249.95
IN STOCK
Neptune Systems FMK – Flow Monitoring Kit Neptune Systems FMK – Flow Monitoring Kit
(5165)
Starting at $199.95
IN STOCK
Neptune Systems 1" Flow Sensor with Unions Neptune Systems 1" Flow Sensor with Unions
(5166)
Starting at $59.95
IN STOCK
Neptune Systems 2" Flow Sensor with Unions Neptune Systems 2" Flow Sensor with Unions
(5167)
Starting at $99.95
IN STOCK
Neptune Systems 1/2" Flow Sensor with Unions Neptune Systems 1/2" Flow Sensor with Unions
(5169)
Starting at $29.95
IN STOCK
Neptune Systems Magnetic Probe Rack Neptune Systems Magnetic Probe Rack
(5172)
Starting at $39.95
IN STOCK
Neptune Systems Optical Level Sensor Neptune Systems Optical Level Sensor
(5173)
Starting at $24.95
IN STOCK
Neptune Systems PMK PAR Monitoring Kit Neptune Systems PMK PAR Monitoring Kit
(5176)
Starting at $299.95
IN STOCK
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