Folks, if you've recently upgraded or renewed your annual club membership but it's still not active, please reach out to the BOD or a moderator. The PayPal system has a slight bug which it doesn't allow it to activate the account on it's own.
I keep mine in my sump. I don't think the ORP and the PH probe are supposed to be emerged under the water. I think the top inch is supposed to be out of the water.