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Neptune Apex Double Junction Lab Grade ORP Probe

Neptune Apex Double Junction Lab Grade ORP Probe
 
(1 reviews)  

SKU
PRBORPDJ

Our price:
$114.68
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Total Reward Points: 114

Availability : Usually ships the next business day.

What's the difference between double junction and single junction probes?

Single junction probes put the reference electrode in direct contact with aquarium water. Over time, the junction will slowly leak aquarium water into the electrolyte which changes the accuracy of the probe and requires more frequent calibrations.

Double junction probes place a second vessel inside the main electrolyte with a second internal junction. The means that even when the aquarium water eventually begins to make its way in the first compartment, it still has to go through the second junction to contaminate the electrolyte surrounding the reference electrode.

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Average customer rating:
 
(1 reviews)  

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1 Most recent customer reviews (see all reviews):
Deven Rich
Oct 17, 2017
This customer purchased the item at our site.
Double junction probes are they way to go, they last way longer then the standard ones. Splurge the extra few bucks for the lab version

Advantages: Works well.
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