Test Probes

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    Add the pH/ORP Probe Expansion Module to your Apex Neptune System. Module has extra Temp Probe port I/O Switch Inputs for ATO, feed buttons, leak alarms, etc. Monitor multiple tanks Galvanic Isolation for accurate and reliable probe readings Features of the Neptune Systems pH/ORP Expansion Module:…

    $89.95 Regular Price: $

    …including but not limited to: Temperature probes Optical level sensors (Single & Dual) Capacitive non-contact liquid level sensors Rope leak detectors Point leak detectors Flow rate sensors Magnetic switches Push-button switches 2x Probe Ports -- The Probe Ports have circuitry based on an…

    $659.99 Regular Price: $
    Out of Stock

    …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. With the Fusion Cloud interface, everything is easier from calibrating probes to customizing outlets. Fusion gives you the ability to…

    $1,249.85 Regular Price: $

    Probe – Lab Grade Start measuring salinity in your tank and get alerts when it is out of range. Replace an old probe Add salinity monitoring to your system via the Salinity Module: PM2 Start measuring salinity in your tank and get alerts when it is out of range. Replace an old probe Add…

    $197.95 Regular Price: $

    Probe Rack Neptune has designed a Magnetic probe rack that will hold up to 4 probes with one hole being slightly over-sized to hold those larger probes like the Neptune temp probe. By simply placing the MPR in your sump or tank, you can now securely hold all your probes in a single spot. If a probe

    $2,846.45 Regular Price: $

    …pH Probe is compatible with any monitor or controller with a BNC style connection. If you just need to replace your worn out probe or add another you will not be disappointed with the double junction feature of these probes. Most probes have a single chamber to house the actual reference probe and…

    $89.95 Regular Price: $

    Over the course of a few months, it is common for probes to drift and they should be recalibrated when that occurs. The Neptune Systems Probe Calibration Kit includes everything you need to calibrate your pH probe and salinity probe for reef tank conditions. The single-use packets make calibration…

    $6.85 Regular Price: $

    …and full top support brace Quiet water flow operation design Interchangeable floss filter box and filter sock holder Removable heater holder, test probe holder and dosing holes included Removable auto-top-off float valve holder Water level adjustable (5-12) in protein skimmer, refugium and equipment…

    $359.99 Regular Price: $

    …container. It then interprets the results of that test and logs the value into your Apex. Easy Plug & Play Setup From the box to testing in under 15 minutes! Unlike other testing systems, there are no reagents to mix, tubes to cut, or pumps or probes to calibrate. Simply plug in one cable, two…

    $639.95 Regular Price: $

    …brands of probes to bring one in that we were comfortable putting our name on. With high-quality materials, the BRS Lab Grade ORP probes will last longer than most other standard grade probes while giving more consistent readings in between calibrations. High quality, American-made ORP probe to meet…

    $74.99 Regular Price: $

    …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. Whats Included? 1x Lab Grade pH probe w/ 3m cord Note: We suggest calibrating probes every 60-90 days for reliable and stable readings.

    $78.20 Regular Price: $86.90
    Out of Stock

    NIST Traceable Salinity Calibration Hanna HI70024P Salinity Calibration Sachets are perfect for any conductivity probe or pen. The single-use sachets are made of light-blocking foil that prevents oxidation, ensuring the solutions are as fresh as the day it was packaged. Each sachet is marked with a…

    $27.00 Regular Price: $
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    …and full top support brace Quiet water flow operation design Interchangeable floss filter box and filter sock holder Removable heater holder, test probe holder and dosing holes included Removable auto-top-off float valve holder Water level adjustable (5-12) in protein skimmer, refugium and equipment…

    $299.99 Regular Price: $

    …easiest probe holders to use, and maintain. Thumb screws are a thing of the past with the magnetically coupled, padded probe and dosing tube holder. A single CustomCradle can hold probes, top off tubing, and dosing tubing all in one probe holding device. Probe holders will organize your probes from…

    $42.99 Regular Price: $

    …easiest probe holders to use, and maintain. Thumb screws are a thing of the past with the magnetically coupled, padded probe and dosing tube holder. A single CustomCradle can hold probes, top off tubing, and dosing tubing all in one probe holding device. Probe holders will organize your probes from…

    $24.99 Regular Price: $

    probes will start to loose their calibration in as short as a month or two depending on your probe. We suggest calibrating probes every 30-60 days for the most reliable readings. Almost all pH monitors and controllers will require two points of reference to accurately monitor the pH that the probe

    $22.99 Regular Price: $
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    …Certificate Included Reliable & Accurate 8" Long Probe Armored Guard Included Reads in Celcius or Fahrenheit Easy to Read LCD Display Temperature probes have always been one of those things in the hobby that you pay 40-60 dollars for the probe but calibrate it with a thermometer that you have…

    $79.95 Regular Price: $

    Milwaukee 4.01 pH Calibration Solution calibrates all pH meters and probes.

    $22.99 Regular Price: $
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    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.

    $32.95 Regular Price: $

    …magnetic probe holder for reef hobbyists! The AquaMaxx Probe Holder is constructed of high quality cell-cast acrylic and utilizes powerful rare-earth magnets that work on aquariums as thick as 1/2". Features two smaller holes for pH/ORP probes and two larger holes for larger-diameter probes; such as…

    $24.99 Regular Price: $

    …of your RODI water is a necessity, and Hanna's HI98129 Combo Pen is the perfect all in one solution. The lightweight and portable pen can test pH, conductivity, or TDS (total dissolved solids) in a single pocket-sized device. The HI98129 can also read the temperature and all the readings…

    $169.00 Regular Price: $

    …pH probe to provide KH values. In terms of the KH test process, the 3 blue adapters on the KHD each connect to an available GHL Doser 2 or 2.1 dosing unit. One pump is used to feed tank water into the KHD. The second pump feeds the KHD with reagent fluid. The third pump extracts the test sample…

    $959.90 Regular Price: $

    …designed a Magnetic probe rack that will hold up to 4 probes with one hole being slightly over-sized to hold those larger probes like the Neptune temp probe. By simply placing the MPR in your sump or tank, you can now securely hold all your probes in a single spot. If a probe is left loose their is…

    $44.95 Regular Price: $

    …safe zone Run multiple temperature sensor probes for safety/redundancy IP65-rating (dust-tight and protected from water spray at any angle). Powered, monitored, and controlled through Sense Port on the HYDROS Controllers The Slim Temperature Sensor Probe plugs into any Sense Port on the Control 2,…

    $24.99 Regular Price: $

    PINPOINT Probe Storage Fluid 60mL will keep your pH and ORP/REDUX electrodes moist and extend their useful life.

    $9.99 Regular Price: $

    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. Features 10ft cable with high interference suppression jacket Ag-AgCl reference 99.9% pure platinum Note:…

    $44.99 Regular Price: $

    …directly up to any Apex Controller and with the Neptune Leak Detection probes can alert you of any possible leak that may be occurring by strategically placing the probes around the stand, sump, and tank. Low-profile probe to be used in conjunction with the Advanced Leak Detection Module: ALD from…

    $29.95 Regular Price: $

    Lab Grade Dissolved Oxygen Probe for Neptune PM3 Module. The price of the probe isn't all that cheap compared to the traditional probes we use in this hobby, but this probe can easily last you a lifetime because the actual sensing membrane is replaceable. About every 3 months you will need to…

    $749.95 Regular Price: $

    …conductivity probe, leading to inconsistent and unreliable results.Vivid Creative Aquatics has tackled this problem head on with theirSalinity Probe Stability Kit. The "SPS" Kit is carefully designed to create just the right amount of water movement and constant pressure around the probe to provide…

    $27.95 Regular Price: $

    Properly storing your pH and ORP probes can enhance the life of the probe's electrodes thus extending the life of your probes. Ensures the junction does not dry out Extends probe life Use with Probe Tip Soaker Bottle

    $13.99 Regular Price: $

    Store your pH and ORP probes in these convenient bottles - protects the probe during storage. Use with pH/ORP Probe Storage Solution

    $5.49 Regular Price: $
    Out of Stock

    …ORP Probe is compatible with any monitor or controller with a BNC style connection. If you just need to replace your worn out probe or add another you will not be disappointed with the double junction feature of these probes. Most probes have a single chamber to house the actual reference probe and…

    $99.95 Regular Price: $
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