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Thread: Not sure what kind of filter I have

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    Join Date
    Jun 2016
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    Gilbert/AZ
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    Not sure what kind of filter I have

    Hello, I recently purchased a home with a pool. Besides knowing that I liked the shape of the pool, I don't know much else (yet). Is there a way to find out what kind of filter I have? I haven't seen any obvious markings. Here are some pictures I hope can shed some light. Thanks
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    Gilbert AZ Pool

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    Mod Squad zea3's Avatar
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    Jul 2009
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    Houston, Texas
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    Re: Not sure what kind of filter I have

    Hi, welcome to TFP! It looks like you have a DE filter.
    TFP Moderator
    Helpful links: TF Test Kits,TFP Pool School, PoolMath
    Vogue 21' round AG, Pentair 1 hp 2 speed pump, 36 sq ft DE filter, Hayward S180T 150# sand filter, Houston, Texas
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    Join Date
    Jun 2016
    Location
    Gilbert/AZ
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    Re: Not sure what kind of filter I have

    Thank you. Is there a way of verifying? should I crack open the tank to take a look inside or can this mess something up?
    Gilbert AZ Pool

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    Mod Squad Jimrahbe's Avatar
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    Jul 2014
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    Bedford, TX
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    5,279

    Re: Not sure what kind of filter I have

    For sure a Hayward DE filter. It is a requirement that you "crack" it open at least a couple of times a year.. And since you just bought the place, and have no idea how long it has been since the last time it was cleaned, I'd do it sooner than later.

    Basically, your filter has grids that hold a powder called Diatomaceous Earth (DE). The valve in front of your filter allows you to backwash most, but not all, of the used and dirty DE out of the filter. You then have to add more DE. But since backwashing does not get all the dirty DE out, after backwashing 3 or 4 times, the filter needs to be taken completely apart and cleaned.

    You can check out how to do this in pool school or on U-tube. My suggestion is that you hire your local pool store to come out and do this the first time. Just watch what they do and then you can do it in the future. The first time I did this, it took me an hour to get it back together.. Now it takes about 10 minutes. It is very easy once you have done it a couple of times.

    Good Luck with your new pool.

    Jim R.
    Finished in 2015 - 17K Gal, IG, 20' x 25' Almost Rectangular Pool, Pebble finish, three rockport water falls. Pentair Equipment: EasyTouch 4, IC40 SWG, 3 HP VS Pump, CCP520 Cartridge Filter.
    TF100 with SpeedStir and SampleSizer, ColorQ Pro 7, Dolphin Premier Robot Cleaner, added Screen Logic 2, added small 3 person Calder Spa.

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