scaling

I am getting pretty bad scaling on the surfaces of my seats after refilling our hottub. The water chemicals are exactly where they need to be. What can I do?

Pool surface has started becoming rough in last few months. Looking at the forums, I think this might be due to Calcium Scaling. I am attaching few pictures and my current pool chemistry. Can you please advise on how to control this. Thanks. Free Available Chlorine Total Available Chlorine...

Hello Fellow Pool Boys and Girls, We just finished building our pool about a month ago. Unfortunately, we've developed a pea sized spot with a black center and brownish cloud moving away from the center. I tried placing a chlorine tab on the spot, for approximately a week, and brushed...