How do I know if my pool filter needs to be replaced versus just cleaned?
Replace cartridge filters every 2-3 years, sand filters every 5-7 years, and DE (diatomaceous earth) grids every 7-10 years under normal conditions. However, if regular backwashing or cleaning no longer restores proper pressure readings or water clarity, or if you notice physical damage like tears in cartridge pleats, cracked grids, or channeling in sand, immediate […]
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