Per subject, the pH of my tub very stubbornly wants to be at 8.2. I've added pH decreaser multiple times and it will drop down to the mid 7's but creeps back up to 8.2 w/in a few days. The water feels and looks great so I'm wondering if I can just leave it where it is; if not, any idea how to get it to stay in the 7's?
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