Tank Sensor

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    …while allowing you to get the sensor in hard to reach places your hands or make-shift holder can access. Full-length fiberglass wand is saltwater safe and compatible with all radiation sensors. Segments can be added or removed to get the perfect length for your tanks needs up to 40 inches long…

    $59.99 Regular Price: $

    …The Seneye Magnetic Holder now allows you to securely hold your sensor under without the risk of it moving. The custom bracket holds the Seneye sensor's face against the wall of the tank, allowing you to have a full view of the sensors indicating lights. 3D printed for exact tolerances Solid one…

    $59.99 Regular Price: $

    …The sensor plugs into any Sense Port on a HYDROS Controller and does not require any additional power source. Place the sensor inside your aquarium or sump; it can be mounted to surfaces up to thick. There is a magnetic coupling that will sit outside your tank or sump to keep the sensor securely…

    $24.99 Regular Price: $

    The HYDROS Water Level Sensor is an optical sensor you can use for a variety of aquarium applications, such as sensing when your tank needs to be topped off or to detect when a dosing container needs a refill. The optical eye is magnetically coupled with the magnet side measuring only thick. It can…

    $39.99 Regular Price: $

    …your aquarium and home safe with the early warning system of GHLs Leak Sensors. The GHL Leak Sensor connects to the Leakage Interface module and the sensors can then be placed anywhere there are concerns of water leaks. The sensor has 80 spring-loaded contacts that will quickly detect water leaks…

    $33.90 Regular Price: $

    …so you can come home or ask a friend to check on the tank. Its easy to do and youre in control. One common complaint about aquarium leak detectors currently on the market is that they rust on the bottom; not the HYDROS Leak Detection Sensor. It is completely encapsulated with a safety seal that…

    $39.99 Regular Price: $

    …7097.050 photo sensor will turn your pumps off automatically by picking up how much available light is being picked up by the sensor. When the light is on the pumps will ramp up to follow the max settings on the controller. The photo sensor should be placed directly under your tanks lights and will…

    $37.29 Regular Price: $

    The GHL PL-LF-S12 Level Sensor Fastener works with the Level Sensor Holder Base Unit to securely mount your optical sensor to the desired height in your aquarium or sump. The fastener has a 90 degree angle and will secure the optical sensor to the plexiglass bar of the mounting base for placement at…

    $7.90 Regular Price: $

    The HYDROS Leak Detection Rope Sensor is an industry first, providing instant leak detection anywhere along the length of the rop-style water sensor. Just plug the sensor into any Sense Port on a HYDROS Control device, place the leak detector wherever you are concerned about potential leaks, and…

    $39.99 Regular Price: $

    Enjoy a precise water level and peace of mind with the JBJ Dual Sensor auto top off system. With the included sensor cover you never have to worry about tank inhabitants causing false readings again, as an added bonus this cover will prevent sudden surface agitation from causing fluctuating water…

    $109.00 Regular Price: $

    …that you wish to place the sensor. Features Robust and versatile; works with GHL & other level sensors Plexiglass bar provides continuous height adjustability Compatible Sensor Fasteners PL-LF-S8 (Float Switch) PL-LF-S12 (Optical) Whats Included? 1x GHL Level Sensor Holder Base Unit (PL-1095)

    $21.90 Regular Price: $

    …read what the sensor is seeing. We personally like inputting all of our readings into a spreadsheet to make a chart of light output, as well as overlay the readings on a photo as well. Having a picture with your tanks PAR levels is very handy to have when placing new corals in your tank. Resolution…

    $234.00 Regular Price: $

    …removing algae with a clean, soft material. Avoid touching the sensor with fingers, since skin oils can damage it. Do not use bleach, soap, detergents or hard objects to clean the sensor. Some dye medications may discolor the sensor. Sensitivity improves with age, provided the unit is not allowed…

    $7.89 Regular Price: $

    …Sizes Available 300W 500W 800W Finnex THH Deluxe+ Heater Comparison Chart Model Wattage Amp Tank Size Overall Length THH-300S 300 2.7 40-80 gal 10.63 inch THH-500S 500 4.5 70-130 gal 14.57 inch THH-800S 800 9.0 140-265 gal 17.32 inch Whats Included? Finnex THH Deluxe Plus Heating Tube with Sensor

    $58.99 Regular Price: $
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    The GHL PL-LF-S8 Level Sensor Fastener work with the Level Sensor Holder Base Unit to securely mount your float switch sensor to the desired height in your aquarium or sump. The fastener has an 8mm slot to accommodate the float switch, and securely mounts to the plexiglass bar of the mounting base…

    $6.99 Regular Price: $

    …be stored within the firmware of the sensor. The sensor has a housing designed to be fully weather-proof and self-cleaning allowing years of service with minimal maintenance. No more days of looking and guessing how much light is being put into your tank. Apogee is the leader in radiation sensing…

    $438.00 Regular Price: $

    …sunrise, sunset, bright daylight and gentle moonlight; the Orbit Marine LED allows you to replicate the most natural environment for your tank inhabitants, keeping them healthy and happy! Features Marine reef color spectrum for vivid colors and optimal coral growth Dual Actinic 445nm/460nm,…

    $129.95 Regular Price: $

    …Optical sensors are great for precise level control and have no moving parts to wear out or become blocked, making them a reliable alternative to mechanical switches. Optical sensors are very versatile and great for a variety of water-monitoring applications. Auto Top Off with one or two Sensors

    $82.90 Regular Price: $

    …high-quality BNC connectors which are specially made for use in the aquarium hobby. All sensors are galvanically isolated and can therefore easily be used in parallel in any combination. Specifications Sensor Type: Float Connection Type: Mini-DIN Cable Length: 3 meters Whats Included? 1x GHL Float…

    $37.90 Regular Price: $

    Build Your Own Auto Top Off System for your aquarium. Perfect for the DIY reefer who likes fun projects and wants to save a few dollars. Assembly requires only basic tools and no soldering. Basic knowledge of electrical wiring required. Aquahub DIY Top-it-Off Kit Premium Kit includes: (2) Aquahub…

    $45.99 Regular Price: $

    …ATO DC Pump Max Head - 8.2 ft ATO DC Pump Flow Rate - 74 gph Controller Dimensions - 2.2" H x .88" W x 1.9" L Sensor Cable Length - 10 feet Pump Cable Length - 69 inches Max Tank Mounting Thickness: 1/2" Power Supply Cable Length: 67 inches What's Included? 1x Duetto Optical Controller 1x…

    $127.99 Regular Price: $
    Out of Stock

    …Place the sensor anywhere under the water in your aquarium or sump, plug your heater or chiller into the sensors outlet to know your tanks temperature will always be within the safe zone. Smart Level Security Sensor - Prevent overflows or dry running equipment by placing the sensor at a high point…

    $159.99 Regular Price: $
    Out of Stock

    …readings of your reef tank. The SQ-500 sensor is a trusted industry standard for making accurate measurements. The new AT-100 microCache (µCache) micro-logger is a rugged, standalone, battery-powered device that can collect over 400,000 data points and connects the sensor to your iOS or…

    $592.00 Regular Price: $

    …level sensor. When the sensor detects the water level is low, it opens the valve to allow fresh RO or RO/DI water to flow through and top-off your tank or sump. When the sensor senses that the water level is replenished, the Controller will then shut off power to the solenoid. Sensor Specifications…

    $24.99 Regular Price: $

    …you will need to add leak sensors to your Apex Controller within minutes. Includes two leak sensors Compatible with all Apex models Powered through Aquabus connection Add up to four total leak sensors Detecting a leak early can be the difference between saving a tank to an entire loss. Neptune's…

    $149.95 Regular Price: $

    …available. It utilizes an electronic eye sensor to monitor water levels and a backup float switch sensor with an optional audible alarm. The controller protects the quiet metering pump from running dry and reports an empty storage tank. Two magnetic holders for sensors and multiple mounting brackets…

    $214.99 Regular Price: $
    Out of Stock

    …temperature sensors on your system for safety and redundancy. For example, you can place one in your display aquarium and another in your sump. This can be helpful if your sump is in your basement while the display tank is on another floor of the house. The Slim Temperature Sensor Probe is…

    $24.99 Regular Price: $

    …reef tanks with full sumps.Its small platform allows it to be installed unobtrusively almost anywhere! Three built-in infrared sensors Low Level: If water drops below this point, the pump will be activated until the water hits the next sensor. Fill Level:1" above the low-level sensor, this sensor

    $69.99 Regular Price: $
    Out of Stock

    …Includes float switches and brackets Float Sensors The A.T.O. is equipped with (2) float sensors that activate within seconds when your water level drops and automatically refills your sump or tank until it reaches your desired set point. Each float sensor has been designed with an exterior guard…

    $92.00 Regular Price: $

    …Max Head: 8.2 ft ATO DC Pump Flow Rate: 74 gph Controller Dimensions - 2.2" H x .88" W x 1.9" L Sensor Cable Length - 10 feet Pump Cable Length - 69 inches Flexi Overflow Box: 3.94" x 2.17" x 6.30" Max Tank Mounting Thickness: 1/2" Max Volume of Media Chamber: 3.74" x 1.99" x 1.97" 1-der Stock Ultra…

    $149.99 Regular Price: $

    …as the entry point into their tanks. As an example, a pump rated at 3200gph will likely be showing less than half that amount in nearly all applications. With the FMK – Fluid Monitoring Kit you get one 1″ Flow Sensor as well as two 1/2″ Flow Sensors. For North American customers,…

    $199.95 Regular Price: $
    Out of Stock

    …The sensor is easy to place, easy to move, and easy to clean. The sensor connects with any HYDROS Sense Port using an aviation-style plug for safe operation. No additional power source is needed to run the sensor. HYDROS DC Micro Pump Controlled and Powered by HYDROS to Top-Off Your Tank! The HYDROS…

    $79.99 Regular Price: $