Pool store told me FC of 5ppm is “hard on equipment” and shouldn’t keep it that high. Not sure where they even get their information. I do like the theory that they are planting seeds of doubt that you can literally blame any issue on.
Phosphates Will Kill Your Chlorine????
- Thread starter mmcwhorter
- Start date
- Jun 8, 2019
- 4,576
- Pool Size
- 20000
- Surface
- Vinyl
- Chlorine
- Salt Water Generator
- SWG Type
- Pentair Intellichlor IC-60
It is, if you have 0 CYA. The industry for the most part doesn't take the FC/CYA relationship into account at all with the numbers they provide.
