Thanks to the TFP leaders for helping me get my pool in great shape.
a lot of the "literature" seems to recommend pH levels in the 7.2 - 7.5 range
based on eye pH or other ..........who knows what.
the TFP recommended levels are 7.5 to 7.8.
What is the background and reasons. 7.5 - 7.8 seems to work
find for me and there is no "irritation" issues.
Just trying to learn