Tank Probes

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    …temperature probe, and bright red LED display, Finnex HPG heaters are the perfect solution for any freshwater or saltwater aquarium heating needs. The heaters are fully submersible and can be orientated in any position.  * Single Button Control * External Temp Probe * 2mm…

    $29.99 Regular Price: $

    …level ever goes that high, an alarm will sound and your PMUP will stop operating.   Optional leak detection probes. Insert one of our leak detection probes into port-3 on the FMM and then place it near your sump. Now, if for some reason your sump should ever overflow, your ATK…

    $199.95 Regular Price: $

    …hold probes, top off tubing, and dosing tubing all in one probe holding device.   Probe holders will organize your probes from a tangled mess to an organized success. The CustomCradle probe holders are the perfect solution, making your sump look just as good as the display tank.

    $29.99 Regular Price: $

    …Solution sold in single use packets are great for calibrating your pH probe or pen. Many pH 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. Available in: …

    $1.09 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…

    $39.95 Regular Price: $

    …floors around the tank.  The ALD module will hook 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…

    $29.95 Regular Price: $

    …  The BRS Lab Grade probe uses pelon strips as a junction material which is a true electrochemical insulator which allows a complete circuit between the reference probe and the tank but allows a very minimal transfer of elements found within the probe or tank. The pelon strip is also much…

    $59.99 Regular Price: $

    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.

    $29.95 Regular Price: $
    Out of Stock

    …  Magnetic 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…

    $2,559.55 Regular Price: $

    …floors around the tank.  The ALD module will hook 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. Hard surface probe to be used in…

    $29.95 Regular Price: $

    …Controller & Probe - The Milwaukee MC122 is very reliable and is our go to standalone pH controller. A slightly better option would be an aquarium controller like an Apex with a dedicated probe for the reactor. CO2 Tank - We carry a 5lb CO2 Tank that will last the average tank around 6…

    $599.99 Regular Price: $

    …Conductivity Probe and PM2 module for RO/DI water quality and other freshwater applications.   Conductivity probes can be used for many different functions from letting you know the salinity of a tank to the quality of RODI water. We suggest calibrating conductivity probes once every…

    $2.95 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…

    $699.95 Regular Price: $

    …the temperature of your reef tank is very important, and with the Hanna Checktemp HI98509 Digital Thermometer, you can accurately know your aquariums temperature within 0.5°F. Each Checktemp comes with a 3.3' silicone cable that has a stainless steel probe at the end that gives rapid readings…

    $39.00 Regular Price: $

    tank is a very valuable piece of information.  Usually, if something is to go wrong with your tank, you will usually see a change in salinity from temp, to a top off unit being stuck on, if you have a Neptune Apex Controller we highly recommend investing in the PM2 module and salinity probe.

    $84.95 Regular Price: $

    …temperature probe cord for easy configuration. * Suction Cups or Velcro tape included for application.   Specifications * Temperature range: -58° F to 158° F (-50 C to 70 C). * Accuracy:  to +/- 1.5° F. 41” temperature probe cord for…

    $10.99 Regular Price: $

    …pH that the probe is reading. You will want to use calibration solutions that are on either spectrum of the pH you intend to monitor. For reef tanks where the pH is normally 7.8-8.5 then you would want to use calibration solution 7.0 and 10.01. For calcium reactors on saltwater tanks or freshwater…

    $0.99 Regular Price: $

    …the sump water height.   Probe Holder All Sapphire sumps come with a probe holder that can hold up to three probes. The two outside holes are 0.63” in diameter and the center hole is 0.8” in diameter to fit different sized probes.   Hose Holder All…

    $412.99 Regular Price: $

    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   …

    $84.95 Regular Price: $

    probe holders you can have the 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

    $19.99 Regular Price: $

    Milwaukee Calibration Solution sold in boxes of 25 single use packets. Many pH 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…

    $22.99 Regular Price: $

    …Controller & Probe - The Milwaukee MC122 is very reliable and is our go to standalone pH controller. A slightly better option would be an aquarium controller like an Apex with a dedicated probe for the reactor. CO2 Tank - We carry a 5lb CO2 Tank that will last the average tank around 6…

    $709.99 Regular Price: $

    …place the thermometer in the tanks water, next to the probe you wish to calibrate for about 10 minutes, then turning the calibration thermometer on and proceeding with calibration of the probe.   What's Included? * Long Stem Temperature Probe * Armored Sheeve *…

    $69.25 Regular Price: $

    …calibrate your Conductivity Probe and PM2 for saltwater salinity monitoring applications. Conductivity probes can be used for many different functions from letting you know the salinity of a tank to the quality of RODI water. We suggest calibrating conductivity probes once every 3-6 months to…

    $2.95 Regular Price: $

    …  The BRS Lab Grade probe uses pelon strips as a junction material which is a true electrochemical insulator which allows a complete circuit between the reference probe and the tank but allows a very minimal transfer of elements found within the probe or tank. The pelon strip is also much…

    $69.99 Regular Price: $

    …Controller & Probe - The Milwaukee MC122 is very reliable and is our go to standalone pH controller. A slightly better option would be an aquarium controller like an Apex with a dedicated probe for the reactor. CO2 Tank - We carry a 5lb CO2 Tank that will last the average tank around 6…

    $529.99 Regular Price: $

    …includes two large LCD displays for an instant readout of your tank's temp, and features an App that can push Wi-Fi notifications should anything be amiss. The controller also features dual power relays and dual temperature probes to prevent failures. The outlet dongle has two outlets, allowing…

    $102.99 Regular Price: $

    Sumps are a great addition to any fresh or saltwater tank. From adding additional water volume to area for heaters, reactors, probes, and any other life support equipment you may want to add. Many tanks are already drilled or can be drilled for a sump to be added. Skimz Sumps are by far one of…

    $482.99 Regular Price: $

    …  Probe Holder/Hose Inputs Keep your probes and dosing tubings secure. Hold up to 4 probes in the skimmer section of the sump in the preinstalled probe holder. Each hole is countersunk to keep probes from falling through and one is enlarged to fit a Neptune temperature probe.

    $581.99 Regular Price: $

    …Recirculation Pump * pH probe holder included (probe sold separately)   A calcium reactor is used to maintain a balanced amount of calcium and alkalinity in your reef tank. In order to use a calcium reactor, you will need a CO2 regulator, CO2 tank, pH probe/controller, small feed…

    $799.99 Regular Price: $

    …block sponge filter with respect to the sump water height.   Probe Holder All Sapphire sumps come with a probe holder that can hold up to four probes. The two outside holes are 0.63” in diameter and the center hole is 0.8” in diameter to fit different sized probes.

    $599.99 Regular Price: $

    …the sump water height.   Probe Holder All Sapphire sumps come with a probe holder that can hold up to three probes. The two outside holes are 0.63” in diameter and the center hole is 0.8” in diameter to fit different sized probes.   Hose Holder All…

    $345.99 Regular Price: $