Always maintain water chemistry as recommended by your local pool professionals.
For plaster finishes a sequestering agent is recommended for normal maintenance to reduce staining and etching
For the next five days:
If your pH level is low, please add as follows:
9 cups total
Test your pH daily to make sure it is up to 7.2-7.9 reading. If not, you many need to add an additional treatment. Treating your pool for low Alkaline levels, will also help increase the pH level.
Note: Never add pH at the same time as Alkaline or Calcium. pH should be added at least four hours prior to adding these two other chemicals.
Note: Remember in order to vacuum pool on “waste” setting you need to fill the pool to capacity as water will go out the backwash line while you vacuum.