Bestway
Inadequate Filtration / Bypass
Pump runs but pool water remains cloudy or dirty despite circulation.
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Possible Causes
Worn or undersized Bestway filter cartridge, Channeling in sand filter media, Incorrect valve position bypassing filter, Excessive pump flow rate for filter size
How to Fix / Troubleshooting
Safety first: Turn off and unplug the pump before changing filter settings or opening housings.
- Check valve position: On Bestway sand filter systems, ensure the multiport valve is set to FILTER, not BYPASS or RECIRCULATE.
- Replace cartridge: If using a cartridge filter, install a new Bestway cartridge of the correct size and type.
- Backwash sand filter: Perform a thorough backwash and rinse cycle to restore sand bed performance.
- Run time: Increase daily pump run time to improve turnover, especially after heavy use or storms.
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Repair Difficulty
Easy
2/5
Required Part
Bestway filter cartridge
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