We have had issues in past years of rising PH and needing to use something fairly regularly to keep it low enough to swim in. This year my PH has been good 7.2-7.5 range . . . but the Total Alkalinity was 140. I used Muriatic acid to lower the TA-- which brought it down to 110. But now my PH is 6.8. FC is 5, CC is 0, CYA is 60. Will the PH just rise on it's own? Do I need to reduce the TA even lower with more muriatic acid? Once I get it all settled-- is it a good idea to add the borates?