Tank Sensor

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    Xp Aqua's Ultimate ATO - The most complete ATO on the market    With 2x dual-optical sensors, the Ultimate ATO is the first ATO to include 4 sensors. The 4 sensors allow a dual-stage overfill alarm that is less intrusive as well as a run-dry protection feature that prevents your sump from running…

    $199.99

    …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

    …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 specifications Solid…

    $49.99 $29.99

    …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

    …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…

    $34.49

    …loud beeping noise when the sensor detects moisture 3/8" FNPT (ID) Threads or 1/2" BSP Threads (OD) Can be adapted to push-connect fittings Handles up to 5 GPM Low battery alert Fail-safe low power auto-off High frequency alarm Mesh pre-filter The Leak Block Sensor from HM Digital includes an…

    $53.00

    …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

    …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

    …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…

    $119.99

    …optical sensors, one for a high water level and another for a low water level. The high water level sensor acts as the ATO sensor, knowing when to refill your saltwater tank, from the freshwater reservoir. The top sensor also lets the AWC Touch controller know when to stop refilling the tank after a…

    $209.99

    …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

    …your tank. Colored LED indicators Rare earth magnetic sensor holders Sensors can be placed virtually anywhere Titanium Electrodes Low Voltage   The Hydrofill Titanium takes advantage of waters conductive properties allowing it to monitor the water level in your aquarium. Two titanium sensors allow…

    $69.99

    …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 Android…

    $592.00

    …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

    …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…

    $199.99

    …Skimmer Security sensor and outlet. The easy to clean optical sensor will magnetically couple to any skimmer collection cup (up to 1/4" thick), and when the cup gets full it will shut down your skimmer pump keeping the skimmate in your cup and not your sump. Just mount the sensor inside of your cup…

    $59.99

    …behind slowly increasing the salinity of the tank. By utilizing an ATO device evaporated water can easily be replenished by the top off unit throughout the day keeping your tank's salinity very stable. Most of the time the location where the sensors need to be placed can be very limited in space.…

    $134.99

    …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

    …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…

    $84.99

    …audible alarm in the event water comes in contact with its sensor pads. It is extremely sensitive and we have found they even work with RODI water. The Watchdog monitor is small enough to slip between sumps and stands, or the wired sensor can be placed in even tighter locations. A single 9V battery…

    $12.99

    …many use 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, adapter…

    $199.95

    …many use 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, adapter…

    $99.95

    …(photosynthetically active radiation) readings of your reef tank to ensure the healthy growth of your inhabitants. Handheld meter with large, easy to read LCD display Records reading for review Record measurement in Automatic mode or Manually Separate sensor head is fully potted, dome-shaped design…

    $377.00

    …tiny temperature sensor AutoAqua's Smart Temp Security system will keep your aquarium safe from temperature dips or spikes. The plug & play design requires no difficult programming with the preset settings. Just plug your heater or chiller into the Smart Temp, and mount the sensor anywhere under the…

    $59.99

    Sensors. The sensors can be placed in multiple areas around your tank and its equipment. Pairing an Apex Controller with the LDK lets you monitor and control your aquarium in the event of a leak or an overflow. With Neptune Fusion, you can easily set up alarms that will notify you if a sensor ever…

    $549.85

    …Rugged Sensor Hides Inside Real Reef Rock Sensors and probes are great in our aquariums, we just don’t want to see them! That’s why we usually put them down below in the sump. Not possible here. Knowing this we had the guys at Real Reef Rock design a custom piece of rock to hide the sensor in your…

    $299.95

    …time protecting your tank and your home.   Safer Than You Can See The Neptune Systems ATK v2 uses the robust Fluid Metering Module with re-designed optical sensors to monitor your water level. The dual sensor design allows for the ATK to have one main water level sensor and the other as a backup…

    $199.95

    …Nano 3152 Auto Top Off is designed for smaller tanks, approximately 50 gallons and under. One of the safest ATO’s available. Utilizes a single sensor to monitor water levels and a controller that protects against overdosing. Magnetic holder for sensors up to 10mm or .39". Max Head Height: 7.0 ft  …

    $99.99

    …design is fully waterproof and is perfect for refugiums, and nano tanks.  5000K to 25000K Adjustable Color Temp Magnet Mounting System Temperature Sensor Aluminum Heat Sink Completely Waterproof Contact Free Control Sensor Absolutely Silent   Efficient Suitable for refugiums, soft, corals,…

    $149.99

    …meter for any type of aquarium lighting. 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…

    $538.00

    …meter for any type of aquarium lighting. 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…

    $69.99

    …Fully Refundable Deposit* Includes Sensor Wand   Par Meter Rental Policies - Click Here    Apogee MQ-210 Increased Accuracy for all Underwater Lighting Measurements! Measure and store the PAR (photosynthetically active radiation) readings of your reef tank to ensure the healthy growth of your…

    $59.99