We just bought a new house with a pool and spa. Since it is winter here in Idaho the pool is closed so my question is about the spa. I took some water into the pool store to test and it showed the pH is above 8.6 and it did not test chlorine because they said with that high of pH the computer would not test chlorine. He told me to add 1 cup muriatic acid every day until the pH comes down. I have since read a bit on line and from what I see it indicates that I need to get the FC levels down before I worry too much about the pH. I am looking for some direction on what to do.
If I test using the test strip the FC is a dark purple which indicates at least a FC level > 10 and the pH is a light purple which is not even on the chart.
So I really need to know should I work on the FC first or the pH?