null

Control

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

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

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

    Adaptive Reef

    $99.99
    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...
  • Thermocontrol-E (125 Watt) Aquarium Heater - EHEIM

    Thermocontrol-E (125 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...
  • Thermocontrol-E (50 Watt) Aquarium Heater Kit - EHEIM Inkbird

    Thermocontrol-E (50 Watt) Aquarium Heater Kit - EHEIM Inkbird

    EHEIM

    $89.99
    Kit Includes: EHEIM Thermostat E Heater - Made in Germany, 3 Year Warranty, Run Dry Protection & INK BIRD Dual Aquarium Thermostat Temp Controller for Redundancy! The obvious ideas are often the best. This also applies to the aquarium heating...
  • HYDROS Control X3 / XP8 PRO Pack

    HYDROS Control X3 / XP8 PRO Pack

    Hydros

    $539.99
    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...
  • Level Sensor - Optical -  Version 2 - GHL

    Level Sensor - Optical - Version 2 - GHL

    GHL

    $87.90
    Level sensor, optical with Mini-DIN-plug and 3 m cable. For horizontal mounting only. (Sensor fastener PL-LF-S12 angled). Possible uses of level sensors provided by the ProfiLux Controller: Auto Top Off with one or two...
  • Neptune Systems Custom WHITE Controller Board - Adaptive Reef

    Neptune Systems Custom WHITE Controller Board - Adaptive Reef

    Adaptive Reef

    $379.99
    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...
  • 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...
  • Dosing Container 2.5L - Seaside Aquatics

    Dosing Container 2.5L - Seaside Aquatics

    Bubble Magus - Seaside

    $55.99
    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.
  • HTG Glass Heater with Protective Guard (100W) -  Aquatop

    HTG Glass Heater with Protective Guard (100W) - Aquatop

    Aquatop

    $34.99
    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...
  • Dual Magnetic Heating Element Holder - 2 Pack - Innovative Marine

    Dual Magnetic Heating Element Holder - 2 Pack - Innovative Marine

    Innovative Marine

    $62.99
    The heating element holders safely keep your aquarium and or sump from direct contact with your heating elements. Adjust the heating elements to your manufacturer's designated water level and position by using the Magnetic holders. Heating Element...
  • GHL Doser & KH Director Faceplate Double Slat - Black - Adaptive Reef

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

    Adaptive Reef

    $49.99
    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...
  • Temperature Sensor Digital - GHL

    Temperature Sensor Digital - GHL

    GHL

    $68.90
    Temperature sensor with BNC-plug, 3 m cable, for GHL Doser 2, Expansion Box 2 and expansion cards with digital temperature port.  All GHL measurement electrodes are made of the highest laboratory grade. They are durable, low maintenance, and...
  • Powerbar 6E USA/CND PAB - GHL

    Powerbar 6E USA/CND PAB - GHL

    GHL

    $250.90
    Specially developed for Aquatics. The perfect and safe functioning of the powerbars in an aquarium controller system is essential. They feature on/off switching of electrical loads for components such as heaters, cooling devices, solenoid...
  • Mini Neptune Apex Controller Board BLACK - Adaptive Reef

    Mini Neptune Apex Controller Board BLACK - Adaptive Reef

    Adaptive Reef

    $114.99
    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,...
  • KH Carer Automatic Alkalinity Testing Device - Kamoer

    KH Carer Automatic Alkalinity Testing Device - Kamoer

    Kamoer

    $799.99
    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...
  • 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...
  • V2 Complete ATO & Surface Skimmer for Sumpless Aquariums - XP Aqua

    V2 Complete ATO & Surface Skimmer for Sumpless Aquariums - XP Aqua

    XP Aqua

    $149.99
    Sumpless ATO is the first and only ATO designed specifically for aquariums without sumps. The combination of the sleek overflow box and the innovative dual-optical sensor ATO will help to keep your aquarium topped off and your water crystal clear...
  • Helio 350 Watt PTC Heating Element - Innovative Marine

    Helio 350 Watt PTC Heating Element - Innovative Marine

    Innovative Marine

    $87.99
    Innovative Marine is proud to introduce HELIO, our new line of heaters utilizing ultra-safe PTC (positive temperature coefficient) technology. Up until now, the way we chose to heat our aquariums have been electric immersion heaters that use resistance...
  • HTG Glass Heater with Protective Guard (200W) -  Aquatop

    HTG Glass Heater with Protective Guard (200W) - Aquatop

    Aquatop

    $35.99
    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...
  • STE 800W Digital Titanium Heater w/Guard UL (190-265 Gallon) - Finnex

    STE 800W Digital Titanium Heater w/Guard UL (190-265 Gallon) - Finnex

    Finnex

    $129.99
    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...
  • 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...
  • 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...
  • HPC 100 Watt Digital Quartz Glass Heater w/Guard - Finnex

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

    Finnex

    $32.99
    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...
  • HYDROS Control X3 Monitor Pack

    HYDROS Control X3 Monitor Pack

    Hydros

    $299.99
    The HYDROS Control X3 Monitor Pack includes all essential equipment needed to monitor a healthy aquarium including the Control X3 aquarium controller, HYDROS App, temperature sensor, pH probe, and point leak sensor. Like all...
  • OxyMax 100 Air Pump - Oase

    OxyMax 100 Air Pump - Oase

    Oase

    $28.99
    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...
  • HTG Glass Heater with Protective Guard (50W) -  Aquatop

    HTG Glass Heater with Protective Guard (50W) - Aquatop

    Aquatop

    $33.99
    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...