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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.
112 results
112 results

Narrow Results

Brand
Price
Aquarium Type
Tests For
See all refinements
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Neptune Systems EnergyBar 832 Neptune Systems EnergyBar 832
Starting at $289.95
IN STOCK
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Neptune Systems 1" Flow Sensor with Unions Neptune Systems 1" Flow Sensor with Unions
Starting at $62.95
IN STOCK
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pH Calibration Fluid for Neptune Systems AquaController Apex pH Probes pH Calibration Fluid for Neptune Systems AquaController Apex pH Probes
Starting at $1.95
IN STOCK
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Neptune Systems Magnetic Probe Rack Neptune Systems Magnetic Probe Rack
Starting at $44.95
IN STOCK
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Neptune Systems AquaController Apex PM1 pH/ORP Probe Module Neptune Systems AquaController Apex PM1 pH/ORP Probe Module
Starting at $89.95
IN STOCK
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Neptune Temperature Probe for APEX JR AC3 Neptune Temperature Probe for APEX JR AC3
Starting at $32.95
IN STOCK
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Neptune Systems LDK Leak Detection Kit Neptune Systems LDK Leak Detection Kit
Starting at $154.95
IN STOCK
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Neptune Systems COR Intelligent Return Pumps Neptune Systems COR Intelligent Return Pumps
Starting at $374.95
IN STOCK
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PondCare Pond Master Liquid Test Kit PondCare Pond Master Liquid Test Kit
Starting at $34.98
IN STOCK
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Hanna® pHep®+ Waterproof Pocket pH Tester with 0.01 pH Resolution Hanna® pHep®+ Waterproof Pocket pH Tester with 0.01 pH Resolution
Starting at $55.00
IN STOCK
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Hanna® Checktemp® Digital Thermometer Hanna® Checktemp® Digital Thermometer
Starting at $39.00
IN STOCK
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Hanna Instruments Glass Cuvettes & Caps for Checker HC Colorimeters Hanna Instruments Glass Cuvettes & Caps for Checker HC Colorimeters
Starting at $9.00
IN STOCK
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Hanna Instruments Graduated Pipette (100 µL) Hanna Instruments Graduated Pipette (100 µL)
Starting at $20.00
IN STOCK
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CoralVue Hydros Pump Adapters CoralVue Hydros Pump Adapters
Starting at $11.99
IN STOCK
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Hydros WaveEngine APX Link Hydros WaveEngine APX Link
Starting at $12.99
IN STOCK
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Hanna Electrode Storage Solution Hanna Electrode Storage Solution
Starting at $12.50
IN STOCK
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EcoTech Marine Versa Stem Tube Connector EcoTech Marine Versa Stem Tube Connector
Starting at $18.48
IN STOCK
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EcoTech Marine Versa Tubing EcoTech Marine Versa Tubing
Starting at $10.40
IN STOCK
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EcoTech Marine Versa Push to Connect Elbows EcoTech Marine Versa Push to Connect Elbows
Starting at $13.86
IN STOCK
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Red Sea Seawater Refractometer Red Sea Seawater Refractometer
Starting at $69.99
IN STOCK
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Instant Ocean Hydrometer Instant Ocean Hydrometer
Starting at $9.99
IN STOCK
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Hanna pH Calibration Buffer Solutions Hanna pH Calibration Buffer Solutions
Starting at $3.99
IN STOCK
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API pH Test Kit API pH Test Kit
Starting at $7.98
IN STOCK
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API Freshwater Master Test Kit API Freshwater Master Test Kit
Starting at $35.98
IN STOCK
112 results

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