Hanna vs Neptune probes

Reefing.with.Rich

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According to my apex my ph is 7.69 yet my Hanna checker shows 8.6+

And yes I have a bunch of calibration packs and have calibrated my probe once a month for the last 4 months yet it shows my ph is pretty low(my opinion)

Any thoughts?
 

I never finish anythi

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That's awkward tbh . Sorry I can't help !!
How does the tank look? In regards to the coral ?
 

Gribbles

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I had a hanna checker that consistently said my ph was 8.3, but multiple different probes were saying 7.8ish
 

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