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Thread: Old chems from previous owner: Keep or flush?

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    thehowheels's Avatar
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    Old chems from previous owner: Keep or flush?

    I'm a new owner of an older pool. This week I drained and re-filled, and I'm using the BBB method. Everything is going great!

    Results from this morning:

    FC: 3
    TC: 3
    pH: 7.5
    TA: 130
    CH: 260
    CYA: 40



    However, my garage came pre-stocked with a few large bottles of chemicals from the previous owner:



    * Pool Perfect+ PHOSfree
    * METALfree
    * Leslie's Copper Algaecide
    * Leslie's Black Algae Killer

    Is it worthwhile to keep this stuff around? I've read through several threads dismissing the use of Pool Perfect+ PHOSfree as being totally unnecessary. Since I have it, is there any reason why I should not add it to my pool? Or am I better of tossing it? My pool is totally clear with no signs of algae. Extra shelf space would be nice!
    Matt
    9k gallon, plaster, IG. Raised spa w/ spillover into pool. AO Smith Century Centurion / Purex Triton WisperFlo 0.5 HP, Hayward 1.5 HP (spa), Polaris 1-516-01 1.5 HP (blower). Hayward DE3620 36 ft2 72 GPM DE Filter, Polaris 145 cleaner. Pool built ~1980.
    Trouble-free, BBB since: April 25, 2013

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    Mod Squad woodyp's Avatar
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    Re: Old chems from previous owner: Keep or flush?

    I'd keep the metal free which indicates metals may be in your fill water, and pitch the rest.
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
    2 Speed Hayward Power-Flo Matrix 85 g.p.m. 22" 250lb. sand filter hard plumbed
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    JasonLion's Avatar
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    Re: Old chems from previous owner: Keep or flush?

    Very occasionally we recommend using Pool Perfect. It is only useful when you have a lot of oil floating on the surface of the water, typically from suntan lotion. Metal Free is not one of the sequestrants we recommend. The copper algaecide is too risky to use, why risk any chance of copper staining. The remaining algaecide is not one we recommend.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    thehowheels's Avatar
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    Re: Old chems from previous owner: Keep or flush?

    Quote Originally Posted by JasonLion
    The copper algaecide is too risky to use, why risk any chance of copper staining.
    Now I know why there are a few small metal stains in the spa that I can't get rid of.
    Matt
    9k gallon, plaster, IG. Raised spa w/ spillover into pool. AO Smith Century Centurion / Purex Triton WisperFlo 0.5 HP, Hayward 1.5 HP (spa), Polaris 1-516-01 1.5 HP (blower). Hayward DE3620 36 ft2 72 GPM DE Filter, Polaris 145 cleaner. Pool built ~1980.
    Trouble-free, BBB since: April 25, 2013

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