Rule of thumb, if you have been cleaning and soak them on a regular basis and not ignoring them you can get about 5 years out fo them. If not maybe only about 2. If they are 5 years old I would say it's time to replace them.
Re: Filter cartridge -- when to clean, when to replace?
Rule of thumb, if you have been cleaning and soak them on a regular basis and not ignoring them you can get about 5 years out fo them. If not maybe only about 2. If they are 5 years old I would say it's time to replace them.
Retired pool store and commercial pool maintenance guy.
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