I decided to completely drain and refill my pool this past weekend to get rid off the algae bloom and the super high CYA level altogether. My pool is being refilled at the moment. I added 1 lb of di-chlor granules after I got about 100 gallons of water in the pool to ensure that algae would not start to grow again. Is there any potential problem with what I did?

You also mentioned that pool water pH tend to be high if the alkalinity of the fill water is high. The TA of my tap water is 220. Is that why my pool water pH tend to drift upward (>8.2)? Should I try to add muriatic every week to bring it down to the 7.4-7.8 range, or should I not fight it and just operate my pool at its "natural" pH as advised in one of your guides?

Thank you!