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  1. E

    Determine o-ring size

    Hi, I have a pentair sand filter with their 6-way valve on the top. It has an air bleeder in it and the o-ring is worn out on the air bleeder. Unfortunately the parts list in the manual does not have the o-ring size or a part number listed for it. The part number for the Air Bleeder is...
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    Local pool stores price cost increases on liquid chlorine in favor of calcium hypochlorite

    My local pool store over the last few years has dramatically increased the costs for liquid chlorine. For example it used to cost me $3 for 10 Liters, now it is $16. The price of calcium hypo has been stable or decreasing. I asked them about this and they said they are trying to discourage...
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    High chlorine and PH reading

    I have been maintaining a higher free chlorine level around 10 due to my cyanuric acid creeping up this summer. Primary sanitizer this year has been trichlor due to reduced availability of bulk liquid chlorine in my area. The current issue is my water is slightly cloudy. This started when...
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