What's out there and works
I'm considering a monitor for the basics
PH, Salinity, Temp, Alk?
I'm considering a monitor for the basics
PH, Salinity, Temp, Alk?
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ThanksMost monitors go by the hobby terms of controllers. Apex or GHL should get you what you want.
As for working, the probes drift and need replaced and calibrated more than you might like. IMO, they are OK for monitoring, but I would not trust any of them without another source for verification.