That sounds to me like you'll need to open the filter and inspect. A proper sand bed should be able to hold DE. Did/does alot of sand come out in backwash?
That sounds to me like you'll need to open the filter and inspect. A proper sand bed should be able to hold DE. Did/does alot of sand come out in backwash?
12'x24' oval 7.7K gal AG vinyl pool; ; Hayward S270T sand filter; Hayward EcoStar SP3400VSP pump; hrs; K-2006; PF:16
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