BC21 Mar 15, 2017 If you are still interested in knowing how I came up with the zones for Poolology, here is a private YouTube clip explaining it: https://youtu.be/dSVq5MQmJHo Thanks, Brian
If you are still interested in knowing how I came up with the zones for Poolology, here is a private YouTube clip explaining it: https://youtu.be/dSVq5MQmJHo Thanks, Brian