what is wrong if the pool is foggy? I tested the water and it was fine. We did take the filter out and cleaned it off could this be the problem? Do we need a new filter?
It could be due to filtration but could also be due to other water parameters not regularly tested such as high calcium hardness or high total dissolved solids (TDS). A quality pool dealer can test for everything and help you eliminate any chemical issue before you replace your filter or filter media.
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