I wanted to use an ORP probe inside a denitrator reactor, following what Terence has recommended on this post here:
https://www.reef2reef.com/threads/gi...9#post-3480845
I was a bit confused about this: "If you set the second pH/ORP port to from ORP to pH (but still use an ORP probe of course), you can read the actual positive or negative ORP using a conversion of pH units."
If I already have an ORP probe connected, do I just go to Fusion > Inputs then disable ORP and enable it as pH2?
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