Double Junction Lab Grade ORP Probe – Neptune Systems
Original price was: $104.99.$26.25Current price is: $26.25.
Description
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.
