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Thread: filter pressure back up after a day

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    filter pressure back up after a day

    Hi Guys,

    I cleaned my filters yesterday and at start up psi was around 8-10. After a couple of hours I noticed the PSI was already up to 20. Now I do not know how old these filters are since they have been here since I bought the house (2 years this august). Second some of the bands on couple of the filters have broke so makes me think they are old and may need to be replaced. Anyone have any suggestions?
    13k IG pebble pool w/waterfall, 1hp whisperflow pump, pentair ccp320 cartridge filter
    Circupool SI45+ swg
    TF100 +speed stir Taylor 1766 salt test

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    Richard320's Avatar
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    Re: filter pressure back up after a day

    What's the water look like?

    If it's murky and/or green, it's very possible they're just clogged from doing what they're supposed to do.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
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    Mod Squad woodyp's Avatar
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    Re: filter pressure back up after a day

    I'm not a cartridge guy, but read a thread just yesterday that said if the bands are broken, it's time to replace.
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    Mod Squad jblizzle's Avatar
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    Re: filter pressure back up after a day

    I do not think that is necessarily true. The bands are not structural, I think they try to keep the pleats even, but the filter should still work.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    Re: filter pressure back up after a day

    The water looks perfectly clear (just refilled it yesterday so wanted to have clean filters). I just got back from buying some conditioner so I could throw it in a sock but wondering if I should give them another cleaning before I add the cya
    13k IG pebble pool w/waterfall, 1hp whisperflow pump, pentair ccp320 cartridge filter
    Circupool SI45+ swg
    TF100 +speed stir Taylor 1766 salt test

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    Mod Squad jblizzle's Avatar
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    Re: filter pressure back up after a day

    If you hang the sock in the pool in front of a return, you will not lose much CYA when cleaning the filter. You do not want to clean the filter if you just dumped the stuff into the skimmer for the filter to catch.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
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