Neptune Apex - replace ORP probe with a 2nd PH probe?

[defasum]

I recently installed a kalk reactor with a probe holder for monitoring ph.
Wondering if I could remove my orp probe and replace it with another ph probe instead of purchasing the PM1 module.

Thanks in advance for any help.

 

[Reefer Matt]

Here ya go.

Thread 'Deactivating ORP probe and adding PH Probe' https://www.reef2reef.com/threads/deactivating-orp-probe-and-adding-ph-probe.820174/