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    Hello Control Freaks! Due to the incredible demand for the Trident, Neptune Systems has informed us they are unable to meet the ever-growing request for orders and accurate estimated dates of arrival are not available for the foreseeable future. Rather than keep you in suspense and leave you…

    $599.95

    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

    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

    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

    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 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

    …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

    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

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

    $35.99

    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

    …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

    …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…

    $499.95

    …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

    …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

    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

    …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

    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

    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

    Add the Lunar Simulator Module and LED strings to your Apex Controller from Neptune Systems to create a true lunar cycle to your reef aquarium. Lunar lighting can replicate your animals natural environment. By simulating lunar cycles in your aquarium you can help encourage the breeding of fish and…

    Starting at:
    $29.95

    …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

    If you wish to continuously monitor your light throughout the day and night, the float accessory allows you to float the any Seneye device at the top of the water. Compatible with all Seneye devices Great for Sumps, Aquariums, and Ponds Use for continuous light readings

    $25.99

    Monitoring phosphorus concentration in saltwater is important because it can cause corrosion if levels are too high. The Hanna HI736 Checker HC Handheld Colorimeter for Phosphorus ULR bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to…

    $49.95

    Milwaukee Instruments offers the most affordable pH and ORP aquarium equipment. The attractive price and high quality has made Milwaukee an increasingly popular choice for aquarists. Milwaukee Smart meters are manufactured to be easy to use, practical and accurate. They are ideal for saltwater…

    $110.99

    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

    …are the go to sensor if you want a reliable sensor over a long period. The Neptune Optical Sensor plugs directly into the FMM allowing you to monitor the level of your sump, mixing station, or any other reservoir with liquid in it.   This sensor plugs into your FMM and, using reflected infrared…

    $24.95

    …American Marine PINPOINT Salinity Monitor will immediately give an accurate measure of salt levels in any aquarium. The reading is fully temperature compensated. With proper care this PINPOINT Salinity monitor should last a lifetime. PINPOINT Salinity Monitor Features: Includes conversion…

    $129.99

    Milwaukee Instruments offers the most affordable pH and ORP aquarium equipment. The attractive price and high quality has made Milwaukee an increasingly popular choice for aquarists. Milwaukee Smart meters are manufactured to be easy to use, practical and accurate. They are ideal for saltwater…

    $109.99

    …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   Introducing…

    $97.46

    …in aquarium inside Real Reef Rock Fine tune your lighting to the needs of your aquarium   Continuous light-level monitoring for your aquarium With the PAR Monitoring kit, you can monitor and log your aquarium’s light levels 24 hours a day! The perfect tool to fine-tune your lighting on your tank.…

    $299.95

    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

    If you do not have a dedicated computer for your Seneye device to keep it power up all the time, the USB power adapter is for you. The Seneye monitor will store readings when connected to the USB adapter and automatically download them when connected back to a PC. The warning lights are still…

    $20.99