Yup, pH is the most critical. Although you should not trust the pH test when the FC > 10ppm.
Your TA is going to continually pull the pH up so keep an eye on it. As you keep adding acid to lower the pH, it will also lower the TA. There is an article in Pool School with information on how to speed up the process by aerating to raise the pH faster.
Your TA is going to continually pull the pH up so keep an eye on it. As you keep adding acid to lower the pH, it will also lower the TA. There is an article in Pool School with information on how to speed up the process by aerating to raise the pH faster.
