Generally, you shouldn't need to shock the pool unless you have CC greater than 0.5. I personally also shock mine after a large swimmer load for an extended period, and after a couple days of bad rainstorms.
Janet
Generally, you shouldn't need to shock the pool unless you have CC greater than 0.5. I personally also shock mine after a large swimmer load for an extended period, and after a couple days of bad rainstorms.
Janet
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