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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.
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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.
107 results
107 results

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Price
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On Sale
Neptune Systems 1" Flow Sensor with Unions Neptune Systems 1" Flow Sensor with Unions
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pH Calibration Fluid for Neptune Systems AquaController Apex pH Probes pH Calibration Fluid for Neptune Systems AquaController Apex pH Probes
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Neptune Systems LDK Leak Detection Kit Neptune Systems LDK Leak Detection Kit
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Hanna Instruments Graduated Pipette (100 µL) Hanna Instruments Graduated Pipette (100 µL)
Starting at $20.00
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CoralVue Hydros Pump Adapters CoralVue Hydros Pump Adapters
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Hydros WaveEngine APX Link Hydros WaveEngine APX Link
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Hanna Electrode Storage Solution Hanna Electrode Storage Solution
Starting at $12.50
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EcoTech Marine Versa Stem Tube Connector EcoTech Marine Versa Stem Tube Connector
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EcoTech Marine Versa Tubing EcoTech Marine Versa Tubing
Starting at $10.40
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EcoTech Marine Versa Push to Connect Elbows EcoTech Marine Versa Push to Connect Elbows
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Hanna pH Calibration Buffer Solutions Hanna pH Calibration Buffer Solutions
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API pH Test Kit API pH Test Kit
Starting at $7.98
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API Freshwater Master Test Kit API Freshwater Master Test Kit
Starting at $35.98
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API KH/Carbonate and Calcium Test Kits API KH/Carbonate and Calcium Test Kits
Starting at $8.98
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API Nitrite Test Kit API Nitrite Test Kit
Starting at $11.98
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API Saltwater Master Liquid Test Kit API Saltwater Master Liquid Test Kit
Starting at $35.98
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HYDROS 3.5mm Adapter Cable HYDROS 3.5mm Adapter Cable
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HYDROS Control XS HYDROS Control XS
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HYDROS Digital Inline TDS HYDROS Digital Inline TDS
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Half U Clips for HYDROS Rope Leak Sensor HYDROS Half U Clips for Rope Leak
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HYDROS ORP/Redox 400mV Calibration Fluid HYDROS ORP/Redox 400mV Calibration Fluid
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HYDROS Rope Leak Sensor Extension Cable HYDROS Rope Leak Sensor Extension Cable
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HYDROS Skimmer Sensor HYDROS Skimmer Sensor
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HYDROS Slim Temperature Sensor HYDROS Temperature Probe
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