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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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  • On Sale 15%
    S-Port & L-Port Breakout Box - GHL
    On Sale 15%

    S-Port & L-Port Breakout Box - GHL

    GHL

    $34.90
    $29.67
    The S-Port & L-Port Breakout box is a versatile accessory that allows you to control any 1-10V device off of the ProfiLux controller. This accessory is especially useful for those looking to control their 1-10V devices, but do not have a...
  • 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...
  • Glass Aquarium Heater 100W - Aquatop

    Glass Aquarium Heater 100W - Aquatop

    Aquatop

    $28.99
    The GH Series offers simple and easy installation with the use of included suction cups. With the highly visible temperature setting, the GH Series is easy to set and adjust to the desired temperature with the use of the Temperature Adjustment Knob...
  • On Sale 15%
    HPC 200 Watt Digital Quartz Glass Heater w/Guard - Finnex
    On Sale 15%

    HPC 200 Watt Digital Quartz Glass Heater w/Guard - Finnex

    Finnex

    $33.99
    $28.89
    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%
    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%
    HMA 200 Watt Titanium Heater w/Controller (60-80 Gallon) - Finnex
    On Sale 15%

    HMA 200 Watt Titanium Heater w/Controller (60-80 Gallon) - Finnex

    Finnex

    $31.99
    $27.19
    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...
  • On Sale 15%
    300 Watt Jager TruTemp Submersible Aquarium Heater - Eheim
    On Sale 15%

    300 Watt Jager TruTemp Submersible Aquarium Heater - Eheim

    EHEIM

    $31.99
    $27.19
    With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is...
  • On Sale 15%
    250 Watt Jager TruTemp Submersible Aquarium Heater - Eheim
    On Sale 15%

    250 Watt Jager TruTemp Submersible Aquarium Heater - Eheim

    EHEIM

    $31.99
    $27.19
    With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is...
  • On Sale 15%
    200 Watt Jager TruTemp Submersible Aquarium Heater - Eheim
    On Sale 15%

    200 Watt Jager TruTemp Submersible Aquarium Heater - Eheim

    EHEIM

    $31.99
    $27.19
    With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is...
  • On Sale 15%
    HMA 150 Watt Titanium Heater w/Controller (20-30 Gallon) - Finnex
    On Sale 15%

    HMA 150 Watt Titanium Heater w/Controller (20-30 Gallon) - Finnex

    Finnex

    $29.99
    $25.49
    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...
  • On Sale 15%
    Cooling Fan 2 - Seaside Aquatics
    On Sale 15%

    Cooling Fan 2 - Seaside Aquatics

    Bubble Magus - Seaside

    $29.99
    $25.49
    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 Slim Temperature Sensor Probe

    HYDROS Slim Temperature Sensor Probe

    Hydros

    $24.99
    The HYDROS Slim Temperature Sensor Probe is only 1.6” long and 0.32” wide. It’s all-black solid waterproof IP68 construction is built for years of reliable service. It is a “set it and forget it” temperature...
  • HYDROS Magnet Mount Temperature Sensor

    HYDROS Magnet Mount Temperature Sensor

    Hydros

    $24.99
    The HYDROS Temperature Sensor is an easy and affordable way to prevent your aquarium water from becoming too cold or too hot. It monitors the water temperature in your aquarium so you can keep it within the safe zone for fish, coral, and inverts. The...
  • HYDROS DC Solenoid Water Valve

    HYDROS DC Solenoid Water Valve

    Hydros

    $24.99
    The HYDROS DC Solenoid Valve is a handy HYDROS Control 2 and Control 4 accessory that provides easy on/off RO or RO/DI water flow. You can connect the solenoid to your reverse osmosis filter and use it to top-off your tank if you...
  • HYDROS DC Micro Pump

    HYDROS DC Micro Pump

    Hydros

    $24.99
    With a HYDROS DC Micro Pump and a HYDROS Optical Water Level Sensor (or Float Sensor), you can use the HYDROS Control 2 and Control 4 as an auto top-off (ATO) system. Just plug the pump into a Drive Port and the optical water level...
  • On Sale 18%
    Jolly Preset 25 Watt (up to 6.6 gal) - Sicce
    On Sale 18%

    Jolly Preset 25 Watt (up to 6.6 gal) - Sicce

    Sicce

    $29.99
    $24.59
    Jolly Preset Heaters have an Auto Shut Off feature that automatically turns the heater off when temperature is reached. JOLLY plastic heaters are designed for small freshwater, marine and turtles tanks. Their plastic casing makes them very durable...
  • On Sale 18%
    Jolly 20 Watt Aquarium Heater - Sicce
    On Sale 18%

    Jolly 20 Watt Aquarium Heater - Sicce

    Sicce

    $29.99
    $24.59
    JOLLY plastic heaters are designed for small freshwater, marine and turtles tanks. Their plastic casing makes them very durable and safe. These heaters can be placed beneath the gravel, making them a good choice for turtle or reptile tanks. JOLLY is...
  • Apex 15' Aquabus EXTENSION Cable ( M/F ) - Neptune Systems

    Apex 15' Aquabus EXTENSION Cable ( M/F ) - Neptune Systems

    Neptune Systems

    $23.99
    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,...
  • Apex 1LINK Extension Cable - 10’ Male to Female - Neptune Systems

    Apex 1LINK Extension Cable - 10’ Male to Female - Neptune Systems

    Neptune Systems

    $23.99
    1LINK is the marrying of the Aquabus communication standard, along with the power wires to drive higher power devices, all in one single cable.  One of the benefits of this is to avoid the need for a DC power brick for every 24V device in your...
  • 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...
  • Apex 15' Aquabus Cable ( M/M ) - Neptune Systems

    Apex 15' Aquabus Cable ( M/M ) - Neptune Systems

    Neptune Systems

    $23.99
    Use this cable to connect Apex Systems and modules together. 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 connect together the Apex,...
  • Apex 1LINK Power Cable Male to Male - 10’ - Neptune Systems

    Apex 1LINK Power Cable Male to Male - 10’ - Neptune Systems

    Neptune Systems

    $23.99
    4-pin male to male cable many of you have been waiting for. It is ten feet long. This cable allows you to connect your DÅŒS to the 1LINK thereby eliminating the need for the DÅŒS to be connected to a power supply brick or the AquaBus cable. Just one wire!...
  • On Sale 15%
    HMA 100 Watt Titanium Heater w/Controller (20-30 Gallon) - Finnex
    On Sale 15%

    HMA 100 Watt Titanium Heater w/Controller (20-30 Gallon) - Finnex

    Finnex

    $27.99
    $23.79
    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...
  • On Sale 15%
    Salinity Probe Stability Kit (SPS) without Pump - VCA
    On Sale 15%

    Salinity Probe Stability Kit (SPS) without Pump - VCA

    VCA Vivid Creative

    $27.95
    $23.76
    This kit was created to be used in conjunction with Neptune Systems salinity/conductivity probe.  It allows the probe to stay clean and fixes a well know issue with the salinity probe.  Microbubbles no more.  Kit Includes: Salinity...
  • On Sale 15%
    150 Watt Jager TruTemp Submersible Aquarium Heater - Eheim
    On Sale 15%

    150 Watt Jager TruTemp Submersible Aquarium Heater - Eheim

    EHEIM

    $27.49
    $23.37
    With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is...
  • On Sale 15%
    125 Watt Jager TruTemp Submersible Aquarium Heater - Eheim
    On Sale 15%

    125 Watt Jager TruTemp Submersible Aquarium Heater - Eheim

    EHEIM

    $27.49
    $23.37
    With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is...
  • On Sale 15%
    100 Watt Jager TruTemp Submersible Aquarium Heater - Eheim
    On Sale 15%

    100 Watt Jager TruTemp Submersible Aquarium Heater - Eheim

    EHEIM

    $27.49
    $23.37
    With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is...
  • On Sale 15%
    HMA 50 Watt Titanium Heater w/Controller (10-20 Gallon) - Finnex
    On Sale 15%

    HMA 50 Watt Titanium Heater w/Controller (10-20 Gallon) - Finnex

    Finnex

    $26.99
    $22.94
    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...
  • Apex FMM Flow Sensor – 1/4″ (FS-25) RODI - Neptune Systems

    Apex FMM Flow Sensor – 1/4″ (FS-25) RODI - Neptune Systems

    Neptune Systems

    $21.99
    Usually used with aquarium accessories like RODI inputs, calcium reactor feed lines etc., this flow sensor can be placed in line with the flow on 1/4″ tubing, connected to the FMM, and communicate to your Apex the flow rate of water...
  • 2 Channel AquaSurf / Apex to Stream Cable - Neptune Systems

    2 Channel AquaSurf / Apex to Stream Cable - Neptune Systems

    Neptune Systems

    $21.99
    This three foot cable connects to the variable outputs built into the Apex, Apex Classic, and the VDM which has two DIN5 connectors.  This enables speed control of up to two TunzeTM Stream pumps that are compatible with...
  • On Sale 15%
    Magnet Probe Holder - Sea Side Aquatics
    On Sale 15%

    Magnet Probe Holder - Sea Side Aquatics

    Bubble Magus - Seaside

    $25.49
    $21.67
    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...
  • On Sale 15%
    Sensor Extension Cable BNC5 - GHL
    On Sale 15%

    Sensor Extension Cable BNC5 - GHL

    GHL

    $24.90
    $21.17
    Extension Cable 5m, male-female for our sensors with BNC connector.
  • Desktop Gravity Fed ATO Cube & Peninsula - Red Sea

    Desktop Gravity Fed ATO Cube & Peninsula - Red Sea

    Red Sea

    $20.95
    Red Sea's ATO fits perfectly on the rear compartment of the Desktop Aquarium range to maintain a consistent water level in the sump area. This allows for quiet and consistent operation of the pump and skimmer Features of the Desktop ATO by Red...
  • On Sale 15%
    75 Watt Jager TruTemp Submersible Aquarium Heater - Eheim
    On Sale 15%

    75 Watt Jager TruTemp Submersible Aquarium Heater - Eheim

    EHEIM

    $24.49
    $20.82
    With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is...