Boric acid question

[lsurefugee]

Decided to add boric acid to help with water feel and “sparkle” of water. Before adding Duda boric acid, pH -7.6, TA - 70. After added, borate levels was 50 on dipstick. pH the next day was 7.8.

Usually check pH once a week or twice. Usually I can keep pH climb from 7.6 - 8.0 by adding acid once a week. I can keep ph 7.6-7.8 if I measure and add acid twice a week.

It’s been one week, pH > 8.0. FC 8. Used a pH meter - 8.6 was reading. I’m adding acid to correct pH climb but with normal pool settings that I haven’t changed or added any new chemicals, I have seen a higher than normal pH climb. I know with borates I may need to add more acid to have the same pH lowering effect but should I have expected or continue to expect such a rapid rise of pH compared to my normal without borates?

Thanks for any insight

 

[JamesW]

What is the TA now?

 

[lsurefugee]

Didn’t measure TA on that pH > 8. I did dip it before checking pH with drop test and it appeared TA > 100. I need to buy more reagents today. So I added acid about 35 minutes ago, retested pH and TA with drop test and currently at pH -7.6 and TA -90. I will watch it over the next few days but just wanted to see if this is something I should have looked at more closely after boric acid introduction.

 

[JamesW]

Boric acid should not have increased the TA, so maybe it was not pure boric acid?

What exact product did you get?