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    …Constantly monitors water temperature, so you can get an alert if your heater breaks or your chiller fails Free Ammonia Monitors the highly toxic free ammonia (NH3) at very low levels, so you can stop your fish from dying from Ammonia poisoning.   pH The seneye monitors pH in your aquarium…

    $499.99

    Seneye Reef Pack is an all in one monitor for Temperature, Ammonia, pH, Water level, and Lighting.  With a PC you can connect your Seneye monitor directly to any PC or Seneye Web Server to monitor your aquarium.  With the Seneye Web Server you can monitor your aquarium from anywhere you can get…

    $209.99

    …pH, monitoring. Set reminders, log testing and dosing information and much more Included WiFi lets you now connect to the internet even easier. With the Fusion Cloud interface everything is easier from calibrating probes, to customizing outlets. Fusion gives you the ability to monitor and control…

    $799.95

    Limit 1 Per Order   Say Goodbye to Manually Testing for Calcium, Alkalinity, or Magnesium in your Reef! The Trident is an automated testing system that regularly tests alkalinity, calcium, and magnesium in your saltwater aquarium — and then communicates this information to your Apex so you can get…

    $599.95

    Use your computer to control your Tunze DC Turbelle Pumps or Tunze LED Lights. Select Tunze Turbelle Pumps have an electric motor that can be controlled, and pairing them with the Tunze 7097 controllers lets you sync all the pumps through a desktop pc application. The controller is not just limited…

    $179.19

    …gives you the ability to monitor and control your Apex from anywhere in the world. The Neptune Systems EnergyBar 832 is 100% compatible with the ApexEL, with more robust outlets, individual LEDs show the status of each outlet, per outlet power consumption monitoring. An added bonus to the EB832…

    $1,099.90

    The American Marine Pinpoint pH Controller will monitor and control pH levels in an aquarium. This pH controller controls pH in an upward and downward direction. With proper care, this Pinpoint pH Controller should last a lifetime.   Pinpoint pH Controller Features: Includes probe and calibration…

    $219.99

    Replacement slides for the Seneye Reef Monitor.  Seneye slides should be replaced monthly for accurate readings. Slides come in Packs of 3

    $35.99

    …power you are actually using with the Kill A Watt PS-10 Power Strip. The power strip gives you 10 surge-protected outlets that will let you monitor Voltage, Amperage, KWH, Current Leakage, and much more! From real-time instant to time elapse consumption readings the Kill A Watt PS-10 is designed…

    $69.99

    …controller for either fresh or saltwater aquariums. Hauling buckets, and daily refilling are now a thing of the past. Having an auto top off system monitor and control the water level in your aquarium will lead to better stability of water parameters, while giving your more time to enjoy your tank.…

    $69.99

    …closet.  The Red Sea multi-test kits are by far the best value for purchasing multiple test kits. Amazing Value. High quality and reliability. Monitor the balance of Calcium, Alkalinity, and Magnesium in your reef tank's foundation with this all-in-one test kit from Red Sea.   Kit includes: 75…

    $59.99

    …is replaced. Completely fill the refillable cartridge insert with your preferred CO2 absorbing media and place back into the reactor housing. Monitor your tank's pH hourly for the first couple days of use. When your pH starts to drop in value (usually 2-8 weeks depending on tank size and CO2…

    Starting at:
    $239.99

    Keep your reef safe with the AutoAqua Smart Security System Combo Set! The Smart Security Combo Set includes three tiny sensors that are set up to safeguard your aquarium from malfunctions. Each sensor is designed for plug & play operation and can be set up in seconds with the magnetic attachment…

    $159.99

    The FMM (Fluid Monitoring Module) is a multi-purpose module that, with the help of various accessories, enables your Apex to do: Flow Monitoring Leak Detection Water Level Detection Power 24VDC accessories Future sensors     Return pumps Measuring the flow of your aquarium’s main return pump is an…

    $99.95

    …driving a car without a speedometer and gas gauge.  At some point you will end up in trouble.  With RODI systems it is TDS that you will want to monitor for performance and filter quality.  By using a dual TDS meter it will allow you to see your TDS readings in two places.  We will usually suggest…

    $29.99

    …integrated analog temperature controller and probe with a +/- 1°F difference from its set point. Stay Alert Controllers are equipped with an alarm system that alerts any malfunction. Monitor your chiller's performance visibly via the LED which alerts you to any problems.   JBJ Arctica Owners Manual

    $449.70

    …pH, monitoring. Set reminders, log testing and dosing information and much more Included WiFi lets you now connect to the internet even easier. With the Fusion Cloud interface, everything is easier from calibrating probes to customizing outlets. Fusion gives you the ability to monitor and control…

    $1,149.95

    Low Profile for placing under carpet or in tight spaces. Be notified if there is ever a leak before it turns into a disaster. Connecting the LD-1 Leak Detector to the FMM module will allow your Apex Controller to notify you if water ever touches the sensor. There are many applications for leak…

    $29.95

    Xp Aqua's Sumpless ATO - Complete ATO & Surface Skimmer for Sumpless Aquariums    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…

    $149.99

    The American Marine PINPOINT pH Monitor is the only full-time pH monitor with .01 resolution. With proper care this PINPOINT pH monitor should last a lifetime. PINPOINT pH Monitor Features:Includes pH probe and calibration fluidspH probe has a 10ft high suppression cable and BNC connectorMonitor is…

    $94.99

    …of 0.01 pH.    Monitor your aquariums temperature and pH all with a single pen-style tester. Hanna's HI98108 Waterproof pHep+ Tester can give you pH readings from 0.00 all the way up to 14.0 pH making it perfect for saltwater or freshwater aquariums. The HI98108 can also monitor temperature, and…

    $49.50

    Simple Security for your Heaters or Chillers! Pre-Set Temperature Range - 72°F to 84°F Using a 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…

    $59.99

    If you need a new propeller for your Neptune WAV powerhead or just want to keep an extra on hand, we carry OEM supplied replacements.  Includes magnet, baseplate, propeller, and shaft Replaced in seconds Compatible with Neptune WAV Pumps only   OEM supplied replacement propeller for Neptune Single…

    $49.95

    …through, or wires for float switches. The Sapphire, Ruby, and Emerald line of ATO reservoirs have laser engraved water level markings so you can monitor how much water your tank is using. Dimensions: 6” long x 14” wide x 15” tall - Overall reservoir size 3 7/8" long x 6 3/8" wide - Opening to refill…

    $119.99

    If you want to monitor and control your Apex quickly, from outlet status, float locations, enabling feed modes, and much more but don't want to pull out your smartphone or computer ever time, the Display Module is what you need. Grey case matches new Apex system Orange backlit LCD display 7 soft…

    $99.95

    …photoperiod. We suggest illuminating the algae scrubber in an opposite lighting cycle than your display tank to help stabilize your aquarium pH.  8. Monitor the algae growth and after a few weeks, algae will be ready to harvest!   Note - For feeding the scrubber we prefer to use a stand-alone feed…

    $769.00

    …looking perfect. Monitor and Control Temperature Salinity ORP pH Outlets 24VDC accessories WAV pumps Individual outlet power consumption   Apex Control System The new Apex's Head Unit now includes the ability to have salinity monitoring, pH, ORP, and Temperature monitoring right out of the box.…

    $1,939.64

    Small aquariums can easily and quickly change temperatures if not monitored closely. The Nova Tec Proportional Temperature Controller will allow you to control the exact temperature that your IceProbe Chiller turns off and on at. A single set point will allow the chiller to turn on if the…

    $66.99

    Features: Measures pH and Temperature Auto-ranging three point calibration with digital fine tuning Includes 4 pH buffer solution in a sponge embedded in a clear cap Waterproof housing (IP-67 rating) Simultaneous temperature display Measurement Range: 0-14 pH Digital automatic calibration (one…

    $79.99

    …to get up and running. The ApexEL forgoes a few of the included features that are included with the standard Apex model, like salinity monitoring, ORP monitoring, and variable speed ports, but they can easily be added with Neptune Systems accessory modules.  Included WiFi lets you now connect to the…

    $499.95

    The PINPOINT pH Replacement Probe was designed specifically with aquariums in mind. It features long continuous duty life expectancy, fast response and is non-toxic to aquarium systems.   10ft cable with high interference suppression jacket Ag-AgCl reference 99.9% pure platinum   *Calibration…

    $39.99

    …the best results. In most instances we encourage the use of a standalone pH controller or even a full-blown aquarium controller like an Apex to monitor the pH of the reactor, powering on the solenoid, allowing gas to slowly flow into the reactor.   What's Included? 1x 7077.3 CO2 Regulator 1x…

    $210.00