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ORP probe readings

mnavick

Well-Known Member
Moderator
During my upgrade I purchased an AquaController III which came with an ORP probe (oxidation-reduction potential, or REDOX).
Was curious if anyone else has this probe and what are your readings?
What is considered normal range (mine is at 210)?
 
Recently added ORP myself.

Mine just went over 400 for the first time after recent water changes. I have read that they take a week or two to break in and come up to the real readings.
Mine started out where yours did when first installed and has been fluctuating from the low to high 300's till I just did a series of W.C due to other concerns and now it is at 406.
It seems to fluctuate inversly proportional to the PH almost so closely I wondered if they were masuring the same thing. Here is a screenshot from my APEX. You can see the improvement after each of four water changes. (guess I needed them::)


ScreenHunter_01%20Nov.%2015%2014.33.gif.jpg
 
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