Congratulations Mark, long overdue IMO....I do have a question after going over the RK article. I saw you are able to keep your pH between 8.2-8.4. I'm sure you have a good amount of effluent coming out of your CaRx. Do you have a second chamber? Or do you have the effluent going into some cup with aeration? The reason I ask, is that I was battling low ph this winter. I didn't see any use of a kalk reactor, so I am just curious on how you keep your ph so high in the winter. Thanks, and congratulations.