CONTROL & TESTING (381)
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  • Glass Thermometer + Suction Cup
    $1.98
    No reviews

    Water temperature is an important factor in keeping tank inhabitants healthy. JBJ floating glass thermometer sticks on the inside of...

  • Hanna Digital Seawater Refractometer
    $249.99
    No reviews

    The HI96822 is a rugged, portable digital refractometer designed for the measurement of salinity of natural or artificial seawater. The...

  • AUTOAQUA AQUA Lifter Pump - High Pressure
    $59.99
    No reviews

    AQUA Lifter Pump High Pressure (Brushless) - Not a standalone unit.  Requires an Autoaqua unit to run.   Model: LP-1800...

  • Reef Kinetics Reefbot Replacement Tubes
    $15.00
    No reviews

    Reef Kinetics Reefbot Replacement Tubes 2 Meters Silicon Tubes (Set of 3)

  • Black Aquarium Controller Board Wire Management System
    $139.99

    OUT OF STOCK

    No reviews

    Mount Controllers and Hide Cords Like a Pro (controllers sold separately) The CoralVue Aquarium Controller Board is a wall-mountable wire...

  • HYDROS 2" Flow Sensor
    $137.49
    No reviews

    CoralVue HYDROS Sense Port Accessory   The HYDROS Flow Sensors are easy-to-install and measure the flow rate of water passing...

  • Neptune Magnetic Optical Sensor
    $41.99

    OUT OF STOCK

    No reviews

    The Magnetic Optical Sensor replaces our optical sensor with magnet and offers an improved look, feel, and magnetic design that...

  • Fauna Marin Reef ICP Test
    $26.39
    No reviews

        CoralVue Aquarium Products ProductsBrandsCommercialPartsOutlet  Cart Home  Fauna Marin  Fauna Marin Reef ICP Test Fauna Marin Reef...

  • Neptune DC24 10' M/F Extension
    $19.99

    OUT OF STOCK

    No reviews

    This is a ten foot Male/Female extension cable that will enable you to remotely locate DC24 accessories like the PMUP....

  • Coralvue HYDROS DC CO2 Solenoid Valve
    $34.64
    No reviews

    CoralVue HYDROS CO2 Solenoid Valve The HYDROS DC CO2 Solenoid Valve is the ideal solution for controlling the CO2 flow...

  • Coralvue HYDROS DC Solenoid Water Valve
    $28.59
    No reviews

    CoralVue HYDROS DC Solenoid Valve The HYDROS DC Solenoid Valve is a handy HYDROS Control 2 and Control 4 accessory...

  • Hanna Marine HI781 Low Range Nitrate Checker
    $67.99
    No reviews

    The HI781 Marine Nitrate Low Range Colorimeter is designed to accurately determine low range nitrate levels in saltwater aquariums and...

  • Hanna Ultra Low Range Phosphate Checker standard
    $18.99

    OUT OF STOCK

    No reviews

    The Phosphate Ultra Low Range Checker® HC Calibration Check Set provides a simple solution to validating the Phosphate Ultra Low...

  • Reagents for LR Phosphate (100 tests)
    $44.99
    No reviews

    The HI93713-01 are reagents for the colorimetric determination of phosphate. There are enough reagents for 100 tests to be used...

  • Hanna Checker Nitrite Ultra Low Range
    $67.99
    No reviews

    Stop struggling to get accurate results for your saltwater aquarium with our simple handheld colorimeter. Our nitrite colorimeter fills the...

  • Hanna Pocket Photometer Marine Alkalinity (PPM)
    $67.99
    No reviews

    The only salt water Alkalinity Tester at this price! Easier to use and more accurate than chemical test kits Colorimetric...

  • HYDROS Half U Clips for Rope Leak (10pack)
    $5.49
    No reviews

    Half U Clips for Rope Leak (10pack)

  • Coralvue HYDROS Sense Port 9ft Extension Cable
    $11.54
    No reviews

    HYDROS 9ft Sense Extension Cable   This 9ft long extension cable for HYDROS Sense Accessories for Control 2 and Control...

  • Hydros Third Party Controller WaveEngine Pump Adapter
    $13.49

    OUT OF STOCK

    No reviews

    The HYDROS WaveEngine APX Link allows you to connect the WaveEngine's 0-10V input port directly to a third-party aquarium controller...

  • Hydros Maxspect Gyre 330/350 WaveEngine Pump Adapter
    $13.74
    No reviews

    Please note: Cable will vary from photo, stock photo shown. Hydros Maxspect Gyre 330/350 WE Pump Adapter Direct Pump Driver...

  • IceCap Y Cable
    $15.17
    No reviews

    ICECAP Y CABLE Advanced Controller Y-Cable for Reef Octopus VarioS Controller This 6.5ft cable allows you to independently control two...

  • Tunze CO2 Regulator
    $149.99

    OUT OF STOCK

    No reviews

    Precision device with fine adjustment for standard CO2 cylinders, thread in keeping with German standard DIN 477 (US version with...

  • Neptune Systems Optical Level Sensor with Magnetic Mount V2
    $41.99
    No reviews

    Optical Level Sensor  (OS-1) With Magnetic Mount This sensor plugs into your FMM and, using reflected infrared light, will signal...

  • 12v Apex Power Supply
    $16.99
    No reviews

    20V AC to 12V DC Power Adapter for use on the AquaController Apex.

  • Neptune Aquabus 30' Extension (M/F)
    $32.95

    OUT OF STOCK

    No reviews

    Aquabus 30′ Extension Cable This is a thirty foot Male/Female Aquabus cable that is used as an extension cable to...

  • Neptune Systems Solenoid Valve
    $34.99
    No reviews

    Solenoid Valve (SV-1) This 24VDC powered, normally-closed (NC), solenoid valve has push-fit tubing input and outputs designed for standard 1/4″...

  • Neptune Double Junction Lab Grade pH Probe
    $94.99
    No reviews

    The pH and ORP probes are now double-junction as well so they hold calibration longer and have a longer lifespan...

  • Neptune 1Link Module
    $169.99
    No reviews

    1LINK – EASY, ONE-CLICK INSTALLATION   The WAV is the first of a line of aquarium products from Neptune Systems...

  • American Marine PINPOINT Salinity Calibration Fluid, 53.0mS/1.026SG
    $8.99
    No reviews

    PINPOINT" Salinity Calibration Fluid 53.0 mS standardized fluid for calibrating the PINPOINT Salinity Monitor"

  • Neptune Systems Apex Variable Speed/Dimming Module
    $109.99
    No reviews

    Have the Apex take control of your variable speed pumps and do things you never could imagine with a stock...

  • Neptune Salinity - Conductivity Probe - Lab Grade
    $209.99
    No reviews

        SALINITY/CONDUCTIVITY PROBE- LAB GRADE Start Measuring Salinity or Conductivity in your tank.  Get alerts when those values are...

  • Apex 2 Channel Apex to Light Dimming Cable
    $16.99
    No reviews

    2 Channel light dimming cable for Apex variable speed ports. It has 1 RJ45 connector on one end of the...

  • TECOnnect WIFI MODULE
    $149.99
    No reviews

    TECOnnect WIFI MODULE      Compatible with ALL TK-500, TK-1000, TK-2000 The TECOnnect wifi module is an easy to install...

  • Hydros IV PRO
    $219.99
    No reviews

    Isolation is the Key to Accurate Tests About HYDROS iV PRO Drive Port Accessory To obtain precise pH and conductivity...

  • Neptune Trident NP - Marine Aquarium Water Analyzer - Nitrate & Phosphate + 2 Month NP Reagent
    $709.98

    OUT OF STOCK

    No reviews

    Includes the Trident NP + 2 Month NP Reagents Trident NP The best selling automated tester ever released has been...

  • Trident & A3 Apex Controller System Bundle
    $1,239.90

    OUT OF STOCK

    No reviews

    Start your aquarium with the proper control system!   Fully automate your aquarium with the A3 Apex Controller System, and...

  • HYDROS Kraken 24V Power Center
    $659.99
    No reviews

    The Kraken introduces a new concept in aquarium controllers and provides high-power 24V DC switched outputs and a large heavy-duty...

  • Hydros Control X10 Dosing Aquarium Controller
    $879.99
    No reviews

    The Control X10 is the ultimate HYDROS system controller with twin Drive ports, four Sense ports, a pH/ORP port, a...

  • Red Sea ReefATO+ Upgrade Kit (for existing REEFER aquarium owners)
    $200.00
    No reviews

    Upgrade kit will not include magnet mount.  It is meant to be installed where the ato float switch is installed...

  • Hydros WaveEngine v2
    $354.19
    No reviews

    Simplify the Way We Manage Flow Within Our Aquariums The HYDROS WaveEngine v2 can control, monitor, and even supply power...

  • HYDROS Control X3 / XP8 PRO Pack
    $579.99
    No reviews

    The HYDROS Control X3 Pro Pack includes the Control X3 & XP8 aquarium controllers, HYDROS App, temperature sensor, pH probe...

  • HYDROS Control X4 / XP8 PRO Pack
    $780.99
    No reviews

    The HYDROS Control X4 PRO Pack includes the Control X4 & XP8 aquarium controllers, HYDROS App, temperature sensor, pH probe...

  • Octo Pulse 4 Wave Pump with Hydros WELE
    $406.99
    No reviews

    Reef Octopus Octo Pulse 4 Flow Pump With WaveEngine LE Controller Max Flow: 4,500gph | 11~32watts | 80 - 500+...

  • Hydros Control X3 Controller Only
    $236.49
    No reviews

    Please note: CONTROL X3 ONLY - Nothing else is included. Achieve Ultimate Aquarium Control with the HYDROS Control X3 The...

  • Coralvue HYDROS Control 4 Starter Pack
    $532.39
    No reviews

    Achieve Ultimate Aquarium Control with the HYDROS Control 4 Starter Pack This starter kit includes all essential equipment needed to...

  • Coralvue HYDROS Control 4 (Controller Only)
    $413.59
    No reviews

    Please note: CONTROL 4 ONLY - Nothing else is included.   Achieve Ultimate Aquarium Control with the HYDROS Control 4...

  • Milwaukee MC720 PRO pH Controller and Pump Kit
    $356.85
    No reviews

    Control the pH of your tank/reservoir AUTOMATICALLY! The MC122 pH controller and dosing pump (MP810) provides fully automated pH control...

  • Seneye Reef Pack - Includes Dri Box & SWS Wifi
    $539.99

    OUT OF STOCK

    No reviews

    Includes the Seneye Dri box and SWS Wifi Units Are your corals not as vibrant as you expect? Have you...

  • SENEYE REEF MONITORING SYSTEM AND PAR METER
    $229.99

    OUT OF STOCK

    No reviews

    Are your corals not as vibrant as you expect? Have you ever had an aquarium crash unexpectedly? Now with the...

  • pH55 Waterproof pH Test
    $60.00

    OUT OF STOCK

    No reviews

    pH 55 Specifications Range -2.0 - 16.0 pH Resolution 0.1 pH Accuracy  0.1 pH ATC Automatic Calibration 2 Points -...

  • ITC M Rack Plate- Probe Holder
    $7.99

    OUT OF STOCK

    No reviews

    The ITC Reefculture M-Rack Probe Holder Plate is made from the highest quality CNC-cut glossy black acrylic. Holds up to...

  • ITC M Rack Plate- Dose Line 2pk
    $5.50

    OUT OF STOCK

    No reviews

    The ITC Reefculture M-Rack Dosing Line Plate is made from the highest quality CNC-cut glossy black acrylic.    Requires 2x...