I started using the BBB process VERY late last year.
I am VERY glad I found this GREAT forum! My CYA level was likely ~300. I dumped and replaced several times last fall and got it down. I slammed according to the FC/CYA chart. I pulled the pool cover off to a discover a clear pool. Here is what I opened to:
I dumped and replaced some water again this spring and measured 45 CYA. I've had the Liquidator running just over 1/2 open and a week later I have this:
(TA & CH not tested)
I'm planning on replacing the flow control valve on the Liquidator with something more than a 1/4 turn.
I know it's early, but I feel very good about how this is going. My goal for the CYA is around 30. Too low? I'm hoping the Liquidator can keep up with the chlorine demand come July and August.
I know most of you guys are sold on the Borates. What (if any) is the down side to the borates?