Ph Lower after using BBB

[chem geek]

Ron,

Yes, keep us posted as to what happens with the pH. Also, just wanted to remind you that at a CYA level of 70 ppm that you are reporting, you want to have an absolute minimum of 5.2 ppm FC in the pool and probably want to target around 7-8 ppm FC (see Ben's Best Guess CYA chart). Though you may have other factors inhibiting algae in your pool, keeping to these levels of chlorine will ensure your pool does not get algae.

Richard