Daniel@R2R
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My Tank Thread
I'm planning to replace the ORP probe on my Apex with an additional pH probe which will run my calcium reactor. I'm debating whether or not I should invest in an additional pm1 module so I can run the ORP probe...but I honestly haven't seen where ORP is really all that useful. I read @Randy Holmes-Farley's article on ORP, and from that it doesn't seem to be helpful as a reading. ...but in the spirit of debate, I thought I'd post the question here. How do you guys use ORP readings, or do you generally ignore them mostly? #apexusers #ghlusers