Ha! You're not the first out of towner to say that today

. Only reason I was looking for someone around here is that I could troubleshoot it and measure the results. I do want to actually make some scientific claim to either prove or refute this thing. Sometimes certain procedures in aquaria get a fairly subjectiveIf I don't find anyone around here I'll gladly work with people out of town.
I'm going to do a little more footwork and put together some plans and the materials needed. I will gladly build a few of them or pass the plans on. You need to be careful with the selection of you anode material so that you don't get anodic corrosion and poison your tank. Today I did a few experiments and was able to form limestone on the cathode. It actually happens really fast!