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Double Junction Lab Grade pH Probe - Neptune Systems

vetteguy53081

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This is like new and currently staying wet within my system. It is the deluxe PH probe and was $75 from BRS.

$50 firm shipped. Will be shipped wet and expedited to assure it remains wet.

PRICE IS FIRM !!! Used on 47 days as I bought it for a different ph monitor which it was not compatible with. It is for Apex systems.

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.

Happy Holidays !!!

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