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Controllers & Testing

Shop Aquarium Test Kits, Reagents, and Water Testing Devices in Columbus

  • Hanna Salinity Calibration Solution

    Hanna Salinity Calibration Solution

    25-Pack HI70024P 35ppt Salinity Calibration Sachet - NIST Traceable Salinity Calibration, single-use sachets made of light-blocking foil that prevents oxidation, stable for up to 5 years in its packaging, accurate and reliable for conductivity probes or...

    $1.99
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  • Fauna Marin Multi Reference

    Fauna Marin Multi Reference

    Saltwater Multi Reference Solution is used to check home water test kits for accuracy, including 8 parameters for saltwater aquariums like Calcium, Magnesium, Potassium, Salinity, Alkalinity, Strontium, Nitrate, and Phosphate.

    $14.99
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  • Neptune DC24 Extension Cable

    Neptune DC24 Extension Cable

    The DC24 Extension Cable lets you increase the distance between your EB832 or 1Link module and the accessory being used. Designed for Neptune Systems DC24v power systems that are found on the 1Link module and Energy Bar 832. 10 Foot extension Male -...

    $19.99
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  • Salifert Copper Test Kit

    Salifert Copper Test Kit

    Salifert Copper Profi-Test Copper is often used as a treatment for parasite infested fish and it is essential that the correct concentration is used as too high levels can be toxic to marine fish and invertebrates. Tap water can also be naturally high in...

    $17.89
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  • Salifert Calcium Test Kit

    Salifert Calcium Test Kit

    Salifert Calcium Profi-Test. Calcium is a major constituent of coralline algae, the skeletal material of hard corals and the skeletal needles of soft/leather corals. In many cases too low a calcium concentration retards coral and coralline algae growth...

    $18.81
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  • Salifert Magnesium Test Kit

    Salifert Magnesium Test Kit

    Salifert Magnesium Profi-Test is a magnesium test kit essential for maintaining healthy marine environments. It measures magnesium concentration in natural sea water, which is crucial for photosynthesis, coral growth, and maintaining calcium/alkalinity...

    $19.61
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  • Neptune SV-1 Solenoid Valve

    Neptune SV-1 Solenoid Valve

    This 24VDC powered, normally-closed (NC), solenoid valve has push-fit tubing input and outputs designed for standard 1/4" tubing. The electrical connection on this solenoid valve fits the DC24 accessory ports found on the FMM, 1Link, and Energy Bar 832...

    $34.99
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  • Neptune SKY Diffuser Kit

    Neptune SKY Diffuser Kit

    NEPTUNE SKY LED Reef Aquarium Light | Premium Aquatics. The SKY is a 200w, LED aquarium light, with patented diffuser technology, that smoothly blends all of its 104 LEDs to create a homogeneous field of coral-health-optimized light — no hotspots, no...

    $15.99
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  • Neptune MPR Magnetic Probe Rack

    Neptune MPR Magnetic Probe Rack

    Neptune Systems designed the MPR - Magnetic Probe Rack specifically for the Apex. It will hold the larger diameter temperature probe, pH probe, ORP probe, and salinity probe. Made from acrylic and with strong neodymium magnets, it works securely on sumps...

    $44.95
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  • Neptune LDK Leak Detection Kit

    Neptune LDK Leak Detection Kit

    Neptune's LDK (Leak Detection Kit) includes everything you will need to add leak sensors to your Apex Controller within minutes. The kit includes two leak sensors and is compatible with all Apex models. The system allows you to monitor and control your...

    $164.99
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  • Neptune 1Link Cable (M/F)

    Neptune 1Link Cable (M/F)

    Neptune Systems 1Link Extension Cable - Extension cord for Neptune Systems 1Link accessories that are found on the 1Link module and EnergyBar832. The Neptune 1Link Extension Cable lets you increase the distance between you WAV pumps, COR pump, or any...

    $23.99
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  • Neptune LD-2 Solid Surface Leak Detection Probe

    Neptune LD-2 Solid Surface Leak Detection Probe

    LD-2 Solid Surface Leak Detection Probe - Be notified if there is ever a leak before it turns into a disaster. Connecting the LD-2 Leak Detector to the FMM module will allow your Apex Controller to notify you if water ever touches the sensor. The LD-2 is...

    $34.99
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  • Neptune ATK Auto Top Off Kit

    Neptune ATK Auto Top Off Kit

    The ATK Auto Top Off Kit from Neptune Systems simplifies the process of adding freshwater to aquariums to replace evaporation. It offers both standalone operation and connectivity with Apex Controllers, providing additional control features and alerts...

    $239.99
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  • Neptune 1LINK Power and Communication Module

    Neptune 1LINK Power and Communication Module

    1LINK Power and Communication Module w/ Power Supply from Neptune Systems. This module connects to any current Apex controller for controlling WAV pumps and supports up to 3 devices or combinations of devices, providing a reliable wired connection for...

    $169.99
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  • Neptune LLS Liquid Level Sensor

    Neptune LLS Liquid Level Sensor

    The Neptune LLS Liquid Level Sensor is a continuous monitoring device that tracks the depth of water in your aquarium, providing real-time data to help automate and optimize your aquarium system. It comes in four sizes: 4", 15", 23", and 35", and is...

    $47.99 - $109.99
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  • Neptune DOS QuietDrive Dosing Pump

    Neptune DOS QuietDrive Dosing Pump

    DŌS QuietDrive - Dose. Automate. Protect. The Neptune Systems DŌS QuietDrive remains a highly efficient, programmable dosing system designed to work seamlessly with the Neptune Systems Apex Controllers. It offers precise control over dosing volumes and...

    $349.99
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  • Neptune Energy Bar 832

    Neptune Energy Bar 832

    Neptune Systems Energy Bar 832 (EB832) is an aquarium power control hub featuring eight 120V AC outlets, individual outlet power monitoring, two 24VDC accessory ports, and three 1Link ports. It includes an internal 100W 24VDC power supply, LED indicators...

    $304.99
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  • Hanna Reef Professional Kit - HIREEF-2

    Hanna Reef Professional Kit - HIREEF-2

    HIREEF2 Professional Reef Test Kit by Hanna Instruments provides easy digital testing with precise results for saltwater aquariums. The kit includes essential tools to monitor vital parameters like Calcium, Alkalinity, and Phosphates, ensuring optimal...

    $299.99
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