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Thread: Cloudy water after adding DE

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    Join Date
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    Cloudy water after adding DE

    I took apart and cleaned the filter cartridges. After getting everything back together, I added DE into the skimmer. Next thing I know, it's all shooting out of the returns. What happened? How do I fix it?
    30,000 gallon IG
    Pentair FNS Plus DE Filter
    Single-Speed Pump (don't know make)
    Aqua Rite Controller w/Turbo Cell

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    Mod Squad YippeeSkippy's Avatar
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    Re: Cloudy water after adding DE

    Ummmm... are you supposed to put DE in a cartridge filter???

    I thought that you could slip a bit into a sand filter, and of course in a DE filter....but I've never heard of it on a cartridge to tell the truth?
    My Amazon Smile for November12K Fiberglass IG, Infinity 4000 automatic cover, SWCG, Hayward Sand Filter, Hayward 1.5 Pump, Doheny Discovery Robot, Savi Melody LED pool lights, outdoor speakers and other assorted doo-dads. Sundance Altamar Hot Tub.
    Our pool build--> Our Pool Solved Our Sloping Yard Skippy's Cheap Pool Cooler -->Skippy's New Fountain

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    Re: Cloudy water after adding DE

    Maybe cartridge wasn't the correct word? It's a DE filter, though.
    30,000 gallon IG
    Pentair FNS Plus DE Filter
    Single-Speed Pump (don't know make)
    Aqua Rite Controller w/Turbo Cell

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    Mod Squad YippeeSkippy's Avatar
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    Re: Cloudy water after adding DE

    Ah, good <whew!> When I saw that I wondered if it were a new pool and you weren't sure what type of filter it is?

    Could you have damaged the filter material in some fashion when cleaning it which is allowing the DE to circulate through?

    I hope one of our DE experienced experts will chime in here and help you soon.... I'm clueless. Sorry!
    My Amazon Smile for November12K Fiberglass IG, Infinity 4000 automatic cover, SWCG, Hayward Sand Filter, Hayward 1.5 Pump, Doheny Discovery Robot, Savi Melody LED pool lights, outdoor speakers and other assorted doo-dads. Sundance Altamar Hot Tub.
    Our pool build--> Our Pool Solved Our Sloping Yard Skippy's Cheap Pool Cooler -->Skippy's New Fountain

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    Re: Cloudy water after adding DE

    I didn't think anything was damaged but I suppose it's entirely possible.
    30,000 gallon IG
    Pentair FNS Plus DE Filter
    Single-Speed Pump (don't know make)
    Aqua Rite Controller w/Turbo Cell

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    morzh's Avatar
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    Jul 2015
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    Jackson, NJ
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    Re: Cloudy water after adding DE

    The only way for DE in a DE filter to get through is to get damaged fingers (or whatever it is that keeps the DE IN).
    Seasonal World rectangular pool, 27K gallons (data sheet), 25.3K calculated
    Jandy Stealth JHPU 2.0 PUMP, 2HP
    Jandy CL340 cartridge filter
    Pentair C320 inline chlorinator
    AquaComfort heatpump heater

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    Re: Cloudy water after adding DE

    I will have to take it apart tomorrow and check them.

    So, now that I have DE in the pool…what do I do about it?
    30,000 gallon IG
    Pentair FNS Plus DE Filter
    Single-Speed Pump (don't know make)
    Aqua Rite Controller w/Turbo Cell

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    swoopman's Avatar
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    Re: Cloudy water after adding DE

    Once you find the problem with the filter and it's working properly the filter will catch the DE from the pool.
    TF-100 Test Kit
    22,000 gallon, 20x40 kidney-shape IG plaster pool built in 1986
    Nautilus NS-36 DE filter, Hayward Self Prime Super Pump 1HP
    Polaris Automatic Pool Cleaner, PB4-60 3/4 HP pump

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    Re: Cloudy water after adding DE

    Hmm, cloudiness gone this morning. It doesn't appear that anything has settled on the floor but I'll have to investigate further this evening.
    30,000 gallon IG
    Pentair FNS Plus DE Filter
    Single-Speed Pump (don't know make)
    Aqua Rite Controller w/Turbo Cell

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