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Thread: Add DE to filter during S.L.A.M?

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    Join Date
    Oct 2013
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    Add DE to filter during S.L.A.M?

    Hi guys,

    I'm in the middle of slamming my pool (day 2) and was thinking of adding some DE to help. Is this something I should do during slamming the pool or not? Didn't know if this would make a difference. Also do you guys really notice a difference when adding is product?

    Thanks so much,

    Cody
    30,000 gallon In-Ground vinyl, small fountain, Polaris 9300 robotic cleaner

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    Mod Squad tim5055's Avatar
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    Re: Add DE to filter during S.L.A.M?

    Sand filter?

    Ypou don't want to do this until the very end for a little final "polishing" of the water. Just concentrate on the SLAM. Test FC, adjust FC to SLAM level, repeat.....
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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    elwood58's Avatar
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    Re: Add DE to filter during S.L.A.M?

    Your signature needs to tell us a little more about your pool equipment. Filter Type, Pump etc. Tim5055 is correct though. No need to polish until finished with the SLAM.

    If you actually have a DE Filter, that is another discussion altogether.
    19204 Gallon L Shape with a 10X10 2nd Step Baja Ledge. Intellichlor IC-40, IntellipH, Cartridge Filter, Pentair Heater/Chiller (Heat Pump). Tons of Deck with Deck Jets. Construction Complete 6/5/17.

    "If you don't measure it, you can't manage it!"

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    Mod Squad tim5055's Avatar
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    Re: Add DE to filter during S.L.A.M?

    Quote Originally Posted by elwood58 View Post
    If you actually have a DE Filter, that is another discussion altogether.
    Yup
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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    Re: Add DE to filter during S.L.A.M?

    Ok,

    I will adjust my signature to add those things. It is a sand filter, I'll post the specs on my signature later. Thanks so much for the advice, so u should add the DE after the water has cleared and the slam is over?
    30,000 gallon In-Ground vinyl, small fountain, Polaris 9300 robotic cleaner

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    Mod Squad jblizzle's Avatar
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    Re: Add DE to filter during S.L.A.M?

    You can add the DE when you are just trying to clear up the water. Like after you have < 0.5 CC and have passed the OCLT and are just trying to pass the final criteria of a clear pool.
    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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