9 bottles per week especially with a CYA of 60 is a lot. My pool isn't too much smaller than yours (13,500 gallons or so) and my CYA is probably around 35 and I use about 4 bottles per week.
9 bottles per week especially with a CYA of 60 is a lot. My pool isn't too much smaller than yours (13,500 gallons or so) and my CYA is probably around 35 and I use about 4 bottles per week.
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