- May 3, 2014
- 62,912
- Pool Size
- 6000
- Surface
- Fiberglass
- Chlorine
- Salt Water Generator
- SWG Type
- Pentair Intellichlor IC-40
Yes. Once you take your FC to shock (greater than 10 ppm FC) your pH test will be invalid. So you want to add your MA and test to be sure your pH is were you want it prior to starting.
Take care.
Take care.