Ok I finished Slamming, and the pool is clear and did not lose any FC over night.
FC - 4, CC - 0, PH 7.3, CH - 50, TA 100, Cya 0 (I have cya dissolving in a sock in skimmer)
I have a staining problem also, (put vitamin C tabs on areas and it removed stains), so I also want to give pool a...