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61 items found. Showing items 1 to 32 .

    …Conductivity, Total Dissolved Solids, and Temperature Metering Pen Highly Accurate readings right out of the box! Every HI98129 is professionally calibrated to 7.01 and 10.01pH and 1382ppm. Lightweight Floats Super Accurate Large LCD Display Measures Temperature Replaceable pH Electrode Automatic…

    $157.99 $134.29

    A large display digital thermometer with Alert feature. Displays both aquarium water temperature and room temperature. Available in °F or °C models. Has four Alert features. (Alarm will sound and LED flashes) High Temp Alert Only (Probe) Both High & Low Temp Alert Only (Air/Room) Low Temp Alert Only…

    $39.49 $33.57

    Long-life Temperature Probe - replace your Temperature Probe, add one for another tank, or put one on your PM2/PM3 module for temperature compensated readings.


    …never been an easy and precise way to calibrate temperature probes since most thermometers are made cheaply and are very unreliable. With the VWR Long-Stem Traceable Thermometer, you can accurately calibrate your temp probe or other temperature sensing devices. The thermometers are all individually…

    $64.99 $55.24

    …tubing is designed for use with all Mur-lok and John Guest push connect fittings. Mur-lok polyethylene tubing offers excellent pressure and temperature ratings and has outstanding resistance to environmental stress cracking, surpassing 1000 hours of ASTM D1693 (10% IGEPAL testing). The tubing…

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    Ink Bird ITC-308 Temperature Controller shows you the current temperature of your aquarium, and also lets you set customized high and low set points to control your tanks heaters and chillers all from a single unit. Large LED Display Simple Set Up Audible Alarm Dual Control Dual Relay Up to 1000W…

    $38.99 $33.14

    …has listened to what you want, adding more standard features to the already reliable, and dependable Apex Controller. Built in WiFi, Salinity, Temperature, pH, monitoring. Set reminders, log testing and dosing information and much more Included WiFi lets you now connect to the internet even easier.…


    Easily view the temperature of your tank with the Digi-Temp2. Large display shows temperature in Fahrenheit or Celsius. Compact design for discreet application. Temperature range is -58° F to 158° F (-50 C to 70 C). Accurate to +/- 1.5° F. 41” temperature probe cord for easy configuration.

    $10.99 $9.34

    Easily calibrate your heater with the Digital Instant Read Themometer from OXO Good Grips. Large, easy to read numbers Fahrenheit and Celsius readings Temperature range from -40° to 302° F (-40° to 150° C) Accuracy range of +/- 2° F LR44 Battery included Hand wash only


    Simple easy temperature control for the Nova Tec IceProbe Chiller. Controlling your IceProbe Chiller has never been easier with the proportional temperature controller that is now available from Nova Tec. The controller has a range sensing range between 65ºF and 85ºF with an adjustable set point…

    $66.99 $56.94

    The new Milwaukee MA887 Seawater Digital Refractometer encompasses 3 different types of user selected scales for the measurement of seawater providing for a much more precise evaluation. Each scale is temperature compensated. Milwaukee Digital Seawater Refractometer Manual


    Maintain the proper temperature for your tank inhabitants with JBJ TRUE TEMP Digital Heater Controller. Settings accurate to +/- 0.5° F Calibration setting Smart memory chip LED heating indicator Large LED display of the current temperature. Heater sold separately

    $89.99 $76.49

    Why does BRS recommend this? Using a RODI system without a TDS meter is like 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…

    $29.99 $25.49

    Professional Grade Water Testing Measure the electrical conductivity, total dissolved solids, and temperature with the HM Digital COM-100 Waterproof Meter. Automatic Temperature Compensation (ATC) IP-67 Waterproof Housing Large LCD Screen Auto-Off  Low-Battery Indicator Digital Calibration Factory…

    $76.95 $65.41

    …control is at the tip of your fingertips.  For the first time, there is now a fully controllable DC pump with features like full graphing control, temperature, RPM monitoring, and much more all with the WAV pumps and 1Link module.   A powerhead that answers all your needs: Extreme flow (~4000+ gph)…


    …of the best coral coloration the MegaChrome Blue will be the bulb of choice for many institutes, and retail establishments. With its very high temperature range of greater than 21000K the Blue lamp will highlight blue and green corals in your tank while still providing suitable growth. Choose From:…

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    IceCap Smart Fans will automatically increase or decrease the fans speeds depending on the ambient temperature of the surrounding area of the thermostat. Makes and excellent choice for aquarium canopies, enclosed stands & equipment cabinets to help regulate the temperature within.

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    Maintain temperature control to provide a safe and stable environment for your tank inhabitants with the Finnex HMO Titatium Digital Control Heater. Digital accuracy within to +/-2°F keeps water temperatures at a constant level. HMO-50: 50W – 10-20 Gallon tank HMO-100: 100W – 20-30 Gallon tank…

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    Efficient and Controllable Brushless DC Pump Max Flow - 2377 GPH Dimensions - 8.30" L x 4.15" W x 7.1" H Feed Mode Soft Start-up Dry Run Protection Internal Memory Module LED Display Controller Overload/Temperature Protection

    $239.99 $203.99

    …Finnex TH series of heating tubes do not come with any type of temperature control. We suggest a simple heater controller like the Cobalt Neo-stat, or our preferred heater controller is a ReefKeeper Lite Controller. Any temperature control device will work, the heaters only require a grounded outlet…

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    The 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.

    $129.99 $110.49

    …water that is going to feed your tank run through probes right before it enters the tank. The probe holder fitting it will screw directly into 1/2" Female NPT threads for a leak-free connection. Note: Neptune Apex temperature probes will not work with the probe holder due to their larger diameter.

    $19.99 $17.99

    …Heater with Safety Guard Remote Temperature Probe - remote quick disconnect temperature probe can be placed up to 5 Ft away from the heating element for a comprehensive temperature measurement of the total volume of water. Smart Memory Chip - to reset your temperature settings after a power failure

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    20oz CamelBak Double Wall Sports Bottle Keep your drink cold! Double wall construction keeps condensation off the exterior while providing more temperature retention. BPA Free Innovative sipper spout Hanging loop Screw on lid Double wall insulation


    Fully submersible aquarium heater with TruTemp technology from Eheim. Precise temperature control: 65-93° F Made from shatter-proof laboratory glass TruTemp technology - ability to calibrate the heater for precise temperature Easy calibration to ±2ºF Run dry protection with Thermo safety control -…

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    Hold your standard probes in style. Vertex Sensor-Mag XD Titanio is an acrylic probe holder with three magnets and three titanium screws. 2 Standard size holes and 1 Bigger which will accommodate the Apex Temperature probe Strong magnets keep probes from twisting Dimensions: 2.7" L x .79" H


    German-made Ushio Aqualite 10,000K lamps have a high color temperature from a single point source that simulates sunlight near the equator at an ocean depth of 5 meters. Excellent color rendering 90 CRISuperior spectrum balanceHigh color stabilityHigh intensityRequires electronic ballast or pulse…

    $74.99 $63.74

    Patent pending PTC heating system to avoid damage in case of dry running. Precise temperature control. Shatter resistant glass tube protects heating element. Completely submergible. 25W – 2-7 Gallon tank 50W – 5-14 Gallon tank 100W – 14-26 Gallon tank 150W – 23-40 Gallon tank 200W – 26-53 Gallon…

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    Neptune Systems designed the MPR - Magnetic Probe Rack specifically for the Apex. It will hold the larger diameter temperature probe, pH probe, ORP probe, and salinity probe. Made from acrylic and with strong neodymium magnets Works securely on sumps and aquariums up to 1/2" thick


    Cobalt Mini-Therm heaters are perfect for Pico tanks that require a small heater that will evenly heat the tank in a small package.  10 Watt - Good for tanks up to 2.4 Gallons* 20 Watt - Good for tanks up to 4.8 Gallons* *Will raise recommended size aquarium temperature up to 10° over ambient temps.

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