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Control

Controlling and Monitoring your Aquarium is Crucial, so are Topping up Evaporation Water via Automation, Heating, Cooling and Auto Top Off (ATO).

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  • 6 Way Apex Switch Toggle Box - Adaptive Reef

    6 Way Apex Switch Toggle Box - Adaptive Reef

    Adaptive Reef

    $134.99
    Adaptive Reef in conjunction with Harry's Aquatics is pleased to bring a full line of products designed to work with and enhance the user experience with aquarium controllers. From switch control boxes and 0-10v based devices to warning lights and...
  • HMA 500 Watt Titanium Heater w/Controller (100-120 Gallon) - Finnex

    HMA 500 Watt Titanium Heater w/Controller (100-120 Gallon) - Finnex

    Finnex

    $44.95
    The Finnex Compact Electronic Titanium Heaters maintain water temperature within +/-2ºF of the set value providing a safe, healthy and stable temperature for your tank. The titanium tubes are corrosion resistant which makes these virtually...
  • Cooling Fan 2 - Seaside Aquatics

    Cooling Fan 2 - Seaside Aquatics

    Bubble Magus - Seaside

    $29.99
    No assembly requiredEasy installation (Clamp mounting bracket) Clamp mounting bracket can fit over aquarium walls up to 1/2" thickExtend Longevity of your lighting systemLow power consumptionAdjustable direction of air flowDimension: 8" x 6.5"x 1.6"Air...
  • HYDROS Launch Aquarium Controller

    HYDROS Launch Aquarium Controller

    Hydros

    $549.99
    The HYDROS Launch is a multifaceted aquatic support system that combines various features into a single controller. It's an all-in-one solution that allows you to manage a wide range of aquarium functions easily. The HYDROS Launch...
  • HYDROS Control X4 / XP8 PRO Pack

    HYDROS Control X4 / XP8 PRO Pack

    Hydros

    $659.99
    The HYDROS Control X4 PRO Pack includes two Control devices, the Control XP8 and Control X4. Combine these Controls to create a secure and impressive set-up for both saltwater and freshwater aquariums. Connect up to four sensor devices,...
  • HYDROS Control X4 Aquarium (Starter Pack) - Coralvue

    HYDROS Control X4 Aquarium (Starter Pack) - Coralvue

    Hydros

    $449.99
    This starter kit includes all essential equipment needed to monitor and control a healthy aquarium including a Control 4 device, HYDROS App, temperature sensor, pH probe, and more. Set up is quick and easy, making this ideal for both...
  • HYDROS Float Switch Sensor with Magnetic Mount

    HYDROS Float Switch Sensor with Magnetic Mount

    Hydros

    $29.99
    HYDROS Float Switch with Magnetic Mount Requires a HYDROS System to operate The HYDROS Magnetic Float Switch Sensor is a simple yet effective water level sensor that can be added to any HYDROS Control with an available Sense Port. This Float Sensor can...
  • HYDROS Wifi Smart Plug - Coralvue

    HYDROS Wifi Smart Plug - Coralvue

    Hydros

    $23.99
    The HYDROS WiFi Smart Plug is a smart power outlet designed to work with the CoralVue HYDROS platform. The Smart Plug has a 1 x 100-250V AC outlet that is WiFi controllable using the free HYDROS app for Android and iOS/Apple mobile devices. You can...
  • HYDROS Rope Leak Sensor Mounting Clips (10 pack)

    HYDROS Rope Leak Sensor Mounting Clips (10 pack)

    Hydros

    $4.99
    10 pack of installation clips for the HYDROS Rope Leak Detector Easily and securely mount the flexible HYDROS Rope Leak Detection Sensor to most surfaces to better sense the presence of moisture anywhere along the rope. 
  • Hydros Pump Adapter Cable - 10V Quad WE Pump Adapter

    Hydros Pump Adapter Cable - 10V Quad WE Pump Adapter

    Hydros

    $11.99
    Direct Pump Driver - For 10V Quad WE pumps the HYDROS WaveEngine connects directly to the pump head. This removes the clutter of the power brick and the control head for these pumps.
  • Apex 30' Aquabus EXTENSION Cable ( M/F ) - Neptune Systems

    Apex 30' Aquabus EXTENSION Cable ( M/F ) - Neptune Systems

    Neptune Systems

    $34.99
    AQUABUS EXTENSION CABLE (M/F)-VARIOUS LENGTHS The Apex is a modular system that allows you to connect many modules together in either a “daisy-chain” or star topology method. Use this cable to extend a M/M Aquabus Cable. Remember,...
  • HYDROS 1" Flow Sensor - Coralvue

    HYDROS 1" Flow Sensor - Coralvue

    Hydros

    $61.99
    The HYDROS Flow Sensors are easy-to-install and measure the flow rate of water passing through it using the HYDROS app. Available in four sizes: 3/4in (40-800gph), 1in (50-1500gph), 1.5in (100-2500gph), 2in (9200-4050gph) The HYDROS Flow...
  • A3 Apex Jr Aquarium Monitor (A3JRSYS) - Neptune Systems

    A3 Apex Jr Aquarium Monitor (A3JRSYS) - Neptune Systems

    Neptune Systems

    $299.95
    The A3 Jr is a Monitoring Only solution.  You can not turn anything on or off with it straight out of the box.  It becomes a full controller however as soon as you add a Powerbar.  To make it a full controller just buy an Energy Bar...
  • 300 Watt  Titanium Heater w/Digital Controller (40-80 Gallon) - Finnex

    300 Watt Titanium Heater w/Digital Controller (40-80 Gallon) - Finnex

    Finnex

    $95.99
    The Titanium Finnex Heaters are corrosion-resistant, extending the life exponentially from saltwater damage.  Virtually unbreakable, especially in comparison with the standard glass aquarium, these tube are built to last.  The ultra heating...
  • On Sale 20%
    200 Watt Titanium Heater Element - Bulk Reef Supply
    On Sale 20%

    200 Watt Titanium Heater Element - Bulk Reef Supply

    Bulk Reef Supply

    $69.99
    $55.99
    We have been on the hunt for a reliable heating element that solves a lot of the issues we currently have with other heaters in the hobby. We have always had issues with heaters that have built-in controllers and segregating the controller out from the...
  • HYDROS Control X2 Entry Level Aquarium (Starter Pack) - Coralvue

    HYDROS Control X2 Entry Level Aquarium (Starter Pack) - Coralvue

    Hydros

    $199.99
    The HYDROS Control 2 Starter Pack is the first affordable and easy-to-use aquarium controller kit in the aquatic industry. This starter pack includes all essential equipment needed to monitor and control a healthy aquarium including a...
  • Alkatronic Alkalinity Controller (Batch 3) - Focustronic

    Alkatronic Alkalinity Controller (Batch 3) - Focustronic

    Focustronic

    $989.99
      The Alkatronic is an all-in-one device that automatically monitors and maintains carbonate hardness values of your aquarium throughout the day. Can dramatically simplify and improve the way we manage KH parameters of a reef tank. Version 2 -...
  • EXO Auto Top Off ATO - Reef Breeders

    EXO Auto Top Off ATO - Reef Breeders

    Reef Breeders

    $99.99
    The Reef Breeders Exo-ATO (External ATO) is one of the first ATO systems to contain all electronics outside of your aquarium. The controller and sensor mount to the outside of the glass, and a small magnetic ring is inserted at your desired water level...
  • HYDROS WaveEngine v2 Pump Controller

    HYDROS WaveEngine v2 Pump Controller

    Hydros

    $299.99
    The HYDROS WaveEngine v2 can control, monitor, and even supply power to a variety of different aquarium pumps. Now you can use pumps from different brands together using a single, integrated flow management system. Control and monitor pumps...
  • HYDROS Leak Detection Sensor

    HYDROS Leak Detection Sensor

    Hydros

    $39.99
    Requires a HYDROS System to operate The HYDROS Leak Detection Sensor is a solid surface leak detector that can sense when freshwater or saltwater is underneath it and use that information to protect your aquarium, home, or office from total...
  • DOS QD Quiet Drive Automatic Dosing System - Neptune System

    DOS QD Quiet Drive Automatic Dosing System - Neptune System

    Neptune Systems

    $349.99
    DŌS QuietDrive - Dose. Automate. Protect. New QuietZone Modes for Reduced Noise New Continuous Duty Modes Same Reliable DŌS Hardware Compatible with A2 and A3 Series Apex Controllers In the most important ways, this is still the same Neptune...
  • Apex FMM Flow Sensor – 2″ (FS-200) - Neptune Systems

    Apex FMM Flow Sensor – 2″ (FS-200) - Neptune Systems

    Neptune Systems

    $109.99
    Usually used with a return pump, this flow sensor can be placed in line with the flow on any pipe, connected to the FMM, and communicate to your Apex the flow rate of water through that pipe. The flow sensor itself uses British Standard Parallel Pipe...
  • Magnet Probe Holder - Sea Side Aquatics

    Magnet Probe Holder - Sea Side Aquatics

    Bubble Magus - Seaside

    $25.49
    BUBBLE MAGUS SEASIDE AQUATICS MAGNETIC AQUARIUM QUAD (4) PROBE HOLDERHolder can fit up to four probes. It’s design to hold ph, ORP, salinity and/or temp probe.It has a magnet on the back and can be easily install on the sump wall, baffle divider or...
  • Thermocontrol-E (75 Watt) Aquarium Heater - EHEIM

    Thermocontrol-E (75 Watt) Aquarium Heater - EHEIM

    EHEIM

    $39.99
    Made in Germany, 3 Year Warranty, Run Dry Protection! The obvious ideas are often the best. This also applies to the aquarium heating element. It is simply hung in the water and heats it up. The principle is the same as it was decades ago. But in the...
  • Neo-Therm Super Flat 50 Watt Heater 6.5" - 12 Gallon - Cobalt

    Neo-Therm Super Flat 50 Watt Heater 6.5" - 12 Gallon - Cobalt

    Cobalt Aquatics

    $49.99
    The all new Cobalt Aquatics NEO-Therm fully submersible electronic heaters feature a modern, super flat design with an easy to set “one touch” control system. The advanced electronic thermostat is accurate to ±0.5ºF and includes a...
  • Full Apex A3 PRO Trident DOS QD Package - Neptune Systems

    Full Apex A3 PRO Trident DOS QD Package - Neptune Systems

    Neptune Systems

    $1,869.85
    This Package Includes: 1x - Full Apex A3 PRO WIFI Controller System 1x - Apex TRIDENT - Automatic Water Tester w/2 Month Reagents & Calibration Fluids 1x - Neptune DOS QD Dosing Pump The New Apex System includes probes for Temperature, pH,...
  • Thermocontrol-E (150 Watt) Aquarium Heater - EHEIM

    Thermocontrol-E (150 Watt) Aquarium Heater - EHEIM

    EHEIM

    $49.99
    Made in Germany, 3 Year Warranty, Run Dry Protection! The obvious ideas are often the best. This also applies to the aquarium heating element. It is simply hung in the water and heats it up. The principle is the same as it was decades ago. But in the...
  • Dosing Container 1.5L - Seaside Aquatics

    Dosing Container 1.5L - Seaside Aquatics

    Bubble Magus - Seaside

    $35.99
    For use with your top off or dosing pump1.5L - over all 12.40" tall by 3.80" diameter*** Caution ***Red Sea's NO3:PO4X chemical will crack and damage the containers, this product is not to be use with our containers.
  • HYDROS WaveEngine LE Pump Controller - Coralvue

    HYDROS WaveEngine LE Pump Controller - Coralvue

    Hydros

    $199.99
    The WaveEngine LE allows you to easily add different brand pumps to your aquarium to obtain the ultimate flow. Specify the minimum and maximum speed each pump can run while working together in multiple flow presets such as sync, anti-sync, triangle wave,...
  • HYDROS Control X2 Entry Level Aquarium (Controller Only) - Coralvue

    HYDROS Control X2 Entry Level Aquarium (Controller Only) - Coralvue

    Hydros

    $159.99
    HYDROS Control 2 is a small, general-purpose aquarium controller capable of managing and controlling all the main functions of an aquarium. Set up is quick and easy, making this ideal for both beginner and advanced hobbyists. Monitor...