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Thread: When to backwash question

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    When to backwash question

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    I have been reading that you should backwash when the filter pressure rises 8-10 PSI-

    I have a Pentair FNS 60 and have been running the pump it 10-12 hours a day for about three months and have had the PSI increase by 1. I have an 18,000 gallon pool and not much dirt gets into the pool. Do I just wait the many months it will take to increase by the 8-10 PSI or should I do it every month or so as suggested by the pool store
    18,900 Stonescapes Tahoe Blue xtra black, 8 jet Spa, Pentair inteliflo VS , Pentair FNS 60 DE, Inteliclor40, Pentair 400,000 Mastertemp heater, 3 spillovers powered by a Pentair 1 HP whisperflo pump, The pool Cleaner, 2 Intellibright color changing lights and 400 sq ft. of Heliocol roof mounted solar.

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    Re: When to backwash question

    If it's making you nervous (and your pressure isn't increasing) just backwash once a month it won't hurt anything (and technically may be good for the filter to have the moving parts move once a while)
    -Kevin
    X-Pert Pool Service
    x-pertpool.com
    X-Pert Pool on Facebook and @XPertPoolServic on Twitter
    22,000 gal / 16' x 32' / Vinyl / Hayward s244t /Pentair SuperFlo 1 hp

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