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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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  • Arctica 1/3 HP Chiller - 115V - JBJ

    Arctica 1/3 HP Chiller - 115V - JBJ

    JBJ

    $1,059.38
    UL Listed on the Market! JBJ Lighting is proud to introduce the Arctica Titanium Chiller! This state-of-the-art aquarium cooler incorporates the most advanced technological features compared to any other chiller on the market. Many years of re-search...
  • On Sale 30%
    Mini Neptune Apex Controller Board WHITE - Adaptive Reef
    On Sale 30%

    Mini Neptune Apex Controller Board WHITE - Adaptive Reef

    Adaptive Reef

    $114.99
    $80.49
    Purpose-Built for the Neptune Systems Apex Safely mount electrical equipment 15" x 15" size Pre-drilled holes Includes hinges for easy access Available in Black or White Introducing the Neptune Systems Mini Controller Board from Adaptive Reef,...
  • On Sale 50%
    GHL Doser & KH Director Faceplate Double Slat - Black - Adaptive Reef
    On Sale 50%

    GHL Doser & KH Director Faceplate Double Slat - Black - Adaptive Reef

    Adaptive Reef

    $49.99
    $25.00
    Faceplates provide for a cleaner more flush installation to give your cabinet a higher-end, more custom look. They fit a wide variety of aquarium controllers, pump controllers, and auto top-off (ATO) controllers. Some popular examples...
  • On Sale 15%
    Apex A3 Jr EB4 Powerbar Package - Neptune Systems
    On Sale 15%

    Apex A3 Jr EB4 Powerbar Package - Neptune Systems

    Neptune Systems

    $419.90
    $356.92
    This Package Includes: 1x - Apex A3 Jr Controller System Apex EB4 - Energy Bar 4 The A3 Jr will be a new, "monitoring-only," system that offers the same monitoring the A3 Apex offers without the control of the EB832.  The A3 Apex Jr. is...
  • HTG Glass Heater with Protective Guard (400W) -  Aquatop

    HTG Glass Heater with Protective Guard (400W) - Aquatop

    Aquatop

    $45.99
    The HTG Series is our premier line of fully submersible glass heaters with thermostat control. Our HTG heaters offer a compact design for versatile placement and are extra durable due to the built-in glass element. The thermostat control makes it simple...
  • On Sale 15%
    Thermocontrol+-E (300 Watt) Aquarium Heater w/ WIFI - EHEIM
    On Sale 15%

    Thermocontrol+-E (300 Watt) Aquarium Heater w/ WIFI - EHEIM

    EHEIM

    $73.99
    $62.89
    With EHEIM thermocontrol+ e, we offer you the aquarium heater of the future. Intelligent and ingeniously designed.EHEIM thermocontrol+ e is our first adjustable heater with digital control via WLAN. You can set the precise temperature from 18 to 32...
  • OxyMax 400 Air Pump - Oase

    OxyMax 400 Air Pump - Oase

    Oase

    $44.99
    Consistent flow - Constant steady airflow. Easily adjust the air flow rate for the diffuser Quiet operation - Vibration resistant rubber feet and eye hook, and insulated housing prevent excess vibration and noise Customizable bubbling patterns - The...
  • On Sale 15%
    ULTRA Thin Aquarium Heater 150 Watt - AquaEl
    On Sale 15%

    ULTRA Thin Aquarium Heater 150 Watt - AquaEl

    AquaEl

    $74.60
    $63.41
    The heater is easy to control using the ONE-TOUCH system that employs a single button surrounded by a ring of LEDs indicating the current and set temperatures. The electronic thermostat operates with an exceptional precision (+/- 0.25° C) to...
  • Smart AWC Lite Auto Water Changer - AutoAqua

    Smart AWC Lite Auto Water Changer - AutoAqua

    AutoAqua

    $199.99
    Innovative 2 in 1 Auto-Top-Off and Auto-Water-Change system achieves the aims of automatic tank maintenance. With precise and smooth DC Diaphragm pump, Smart AWC Lite is the ideal for any aquariums under 150 gallons.   INTEGRATE DESIGN ●...
  • On Sale 30%
    Mini Neptune Apex Controller Board BLACK - Adaptive Reef
    On Sale 30%

    Mini Neptune Apex Controller Board BLACK - Adaptive Reef

    Adaptive Reef

    $114.99
    $80.49
    Purpose-Built for the Neptune Systems Apex Safely mount electrical equipment 15" x 15" size Pre-drilled holes Includes hinges for easy access Available in Black or White Introducing the Neptune Systems Mini Controller Board from Adaptive Reef,...
  • On Sale 30%
    Dual 100 Watt (200 Total) Titanium Heater System w/Inkbird 306T - Bulk Reef Supply
    On Sale 30%

    Dual 100 Watt (200 Total) Titanium Heater System w/Inkbird 306T - Bulk Reef Supply

    Bulk Reef Supply

    $179.99
    $125.99
    200 Watts in Total w/Inkbird Controller - We recommend lower wattage dual elements with a heater controller for extra redundancy. We have been on the hunt for a reliable heating element that solves a lot of the issues we currently have with other...
  • Level Sensor - Floater -  Version 2 - GHL

    Level Sensor - Floater - Version 2 - GHL

    GHL

    $39.90
    Level sensor, Floater with Mini-DIN-plug and 3 m cable. For vertical mounting only (sensor fastener PL-LF-S8). Possible uses of level sensors provided by the ProfiLux Controller: Auto Top Off with one or two...
  • Smart Security System Combo Set - AutoAqua

    Smart Security System Combo Set - AutoAqua

    AutoAqua

    $159.99
    Safeguarding Your Aquarium Against Common Malfunctions Extremely Simple to Install Plug & Play Magnetically Coupled Sensor Auto Time Delay Why Choose Smart Security System? Smart Security System consists of three seperate penny sized...
  • Smart ATO RO Water Reservoir Control - AutoAqua

    Smart ATO RO Water Reservoir Control - AutoAqua

    AutoAqua

    $179.99
    SMART & SIMPLE The touch controller shows the operation status. Built-in QST (Quick Security Technology) provides real-time failsafe protection against failure. There’s no technical jargon or complex menu system. It features Audible...
  • On Sale 20%
    Ecotech Marine Custom WHITE Controller Board - Adaptive Reef
    On Sale 20%

    Ecotech Marine Custom WHITE Controller Board - Adaptive Reef

    Adaptive Reef

    $379.99
    $303.99
    Take your equipment organization to the next level with custom controller boards from Adaptive Reef. The Neptune Systems Controller Board is a modular wire management system with cutouts and spacing specifically organized around the Apex Controller...
  • M 200 Watt Submersible Glass  Heater (up to 65 Gallons) - Fluval

    M 200 Watt Submersible Glass Heater (up to 65 Gallons) - Fluval

    Fluval

    $35.99
    M series heaters combine modern aesthetics with reliable Italian construction. Employing an ultra-slim profile, M heaters are a welcomed departure from traditional, more bulky designs. The M series is highlighted by its reflective...
  • STE 600W Digital Titanium Heater w/Guard UL (120-150 Gallon) - Finnex

    STE 600W Digital Titanium Heater w/Guard UL (120-150 Gallon) - Finnex

    Finnex

    $118.99
    STE Titanium Heater Series Safety: Redundancy circuit technology, non-resumable fuse, safety guard Titanium Heating Element: Virtually unbreakable, corrosion resistant Controller:  Smart 68-92 deg F, precise temperature control, +/- 1 deg F...
  • On Sale 10%
    HYDROS Control X3 / XP8 PRO Pack
    On Sale 10%

    HYDROS Control X3 / XP8 PRO Pack

    Hydros

    $539.99
    $485.99
    The HYDROS Control X3 Pro Pack includes two Control devices, the Control XP8 and Control X3. Combine these Controls to create a secure and impressive set-up for both saltwater and freshwater aquariums. Connect up to two sensors such as...
  • On Sale 20%
    24v Apex Red/Green Status Indicator (Dual) - Adaptive Reef
    On Sale 20%

    24v Apex Red/Green Status Indicator (Dual) - Adaptive Reef

    Adaptive Reef

    $99.99
    $79.99
    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...
  • On Sale 15%
    Thermocontrol-E (125 Watt) Aquarium Heater - EHEIM
    On Sale 15%

    Thermocontrol-E (125 Watt) Aquarium Heater - EHEIM

    EHEIM

    $49.99
    $42.49
    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...
  • ReefBreeders ATO - Auto Top Off - ReefBreeders

    ReefBreeders ATO - Auto Top Off - ReefBreeders

    Reef Breeders

    $91.83
    Dive into a new era of aquarium care with the ReefBreeders ATO 2023 Model, where sophistication harmonizes with advanced functionality! The ReefBreeders ATO symbolizes the zenith of aquarium care innovation. With enhanced features, aesthetics, and...
  • On Sale 15%
    Thermocontrol+-E (150 Watt) Aquarium Heater w/ WIFI - EHEIM
    On Sale 15%

    Thermocontrol+-E (150 Watt) Aquarium Heater w/ WIFI - EHEIM

    EHEIM

    $66.99
    $56.94
    With EHEIM thermocontrol+ e, we offer you the aquarium heater of the future. Intelligent and ingeniously designed.EHEIM thermocontrol+ e is our first adjustable heater with digital control via WLAN. You can set the precise temperature from 18 to 32...
  • On Sale 15%
    Apex A3 Jr EB832 Powerbar Package - Neptune Systems
    On Sale 15%

    Apex A3 Jr EB832 Powerbar Package - Neptune Systems

    Neptune Systems

    $589.90
    $501.42
    This Package Includes: 1x - Apex A3 Jr Controller System Energy Bar 832 Apex 1LINK Power (EB832) The A3 Jr will be a new, "monitoring-only," system that offers the same monitoring the A3 Apex offers without the control of the EB832.  The...
  • On Sale 15%
    Dosing Container 5.0L - Seaside Aquatics
    On Sale 15%

    Dosing Container 5.0L - Seaside Aquatics

    Bubble Magus - Seaside

    $75.99
    $64.59
    For use with your top off or dosing pump5L - over all 16" tall by 6.25" diameter*** Caution ***Red Sea's NO3:PO4X chemical will crack and damage the containers, this product is not to be use with our containers.
  • On Sale 15%
    Dosing Container 2.5L - Seaside Aquatics
    On Sale 15%

    Dosing Container 2.5L - Seaside Aquatics

    Bubble Magus - Seaside

    $55.99
    $47.59
    For use with your top off or dosing pump2.5L - over all 13.5" tall by 5.25" diameter*** Caution ***Red Sea's NO3:PO4X chemical will crack and damage the containers, this product is not to be use with our containers.
  • On Sale 15%
    Thermocontrol+-E (200 Watt) Aquarium Heater w/ WIFI - EHEIM
    On Sale 15%

    Thermocontrol+-E (200 Watt) Aquarium Heater w/ WIFI - EHEIM

    EHEIM

    $69.99
    $59.49
    With EHEIM thermocontrol+ e, we offer you the aquarium heater of the future. Intelligent and ingeniously designed.EHEIM thermocontrol+ e is our first adjustable heater with digital control via WLAN. You can set the precise temperature from 18 to 32...
  • HYDROS 1.5" Flow Sensor - Coralvue

    HYDROS 1.5" Flow Sensor - Coralvue

    Hydros

    $99.99
    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...
  • PAB-Cable (0.5 m) - GHL

    PAB-Cable (0.5 m) - GHL

    GHL

    $10.90
    Cable for connecting and linking ProfiLux-Aquatic-Bus (PAB) devices. 
  • ProfiLux 4 Mega Set Aquarium Controller Kit - Black - GHL

    ProfiLux 4 Mega Set Aquarium Controller Kit - Black - GHL

    GHL

    $949.90
    The ProfiLux® aquarium controller offers everything the ambitious aquarist needs to achieve success. From form to function, the ProfiLux 4 is well-equipped to manage important tasks such as lighting...
  • On Sale 15%
    APEX Display Mount - WHITE - Vivid Creative
    On Sale 15%

    APEX Display Mount - WHITE - Vivid Creative

    VCA Vivid Creative

    $14.99
    $12.74
    Mount your Neptune APEX display in style. with this new APEX Display Holder. Simple Installation Features a simple mounting slot for super easy to mounting and aligning. This kit includes the mount and a mounting screw.
  • On Sale 20%
    Deluxe Mini Aquarium Controller Board BLACK - Adaptive Reef
    On Sale 20%

    Deluxe Mini Aquarium Controller Board BLACK - Adaptive Reef

    Adaptive Reef

    $114.99
    $91.99
    Adaptive Reef Aquarium Controller Boards Now in Mini Safely mount electrical equipment 15" x 15" size Includes hinges for easy access Available in Black or White Most of us have a scary tangle of cords coming out of our controllers and running...
  • On Sale 15%
    HPC 100 Watt Digital Quartz Glass Heater w/Guard - Finnex
    On Sale 15%

    HPC 100 Watt Digital Quartz Glass Heater w/Guard - Finnex

    Finnex

    $32.99
    $28.04
    The HPC heater series is a glass heater that uses an advanced digital processor that monitors and controls the water temperature in your aquarium. The heating controller receives temperature data from the remote sensor in the aquarium. The remote...
  • On Sale 15%
    Thermocontrol+-E (250 Watt) Aquarium Heater w/ WIFI - EHEIM
    On Sale 15%

    Thermocontrol+-E (250 Watt) Aquarium Heater w/ WIFI - EHEIM

    EHEIM

    $70.99
    $60.34
    With EHEIM thermocontrol+ e, we offer you the aquarium heater of the future. Intelligent and ingeniously designed.EHEIM thermocontrol+ e is our first adjustable heater with digital control via WLAN. You can set the precise temperature from 18 to 32...
  • On Sale 20%
    KH Carer Automatic Alkalinity Testing Device - Kamoer
    On Sale 20%

    KH Carer Automatic Alkalinity Testing Device - Kamoer

    Kamoer

    $799.99
    $639.99
    The Kamoer KH Carer is an automatic testing device measuring KH values (Alkalinity) in an aquarium. It includes manual and automatic detection functions. Users can easily view the test results and set the test parameters in...