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Thread: How long between testing at start up?

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    Join Date
    Jan 2010
    Location
    Southeast Missouri
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    33

    How long between testing at start up?

    Just got the cover off and replaced about a third of the pool volume overnight. Got the filter running with new sand. How long should I let the water circulate before taking my first set of tests and then how long in between adding whatever is needed before the next tests? I am thinking one turn over but do not know how long that is? Is a couple hours sufficient? Water is crystal clear with some dirt/sand on the bottom.
    Dave in Sikeston, Mo.
    27' AG, 16K, vinyl, 1.5 HP pump, Pentair Meteor sand filter, Hayward Aqua Rite 25K SWG, Pentair E-Z Vac cleaner, TF100 test kit

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    duraleigh's Avatar
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    Apr 2007
    Location
    Sebring, Florida
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    30,083

    Re: How long between testing at start up?

    Hi, Dave,

    Yeah, an hour is probably all you need to stir things up.....two hours is gracious plenty.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,879

    Re: How long between testing at start up?

    The very first time you open in the spring, I would run the pump for several hours before testing. The water can form layers with different temperature and salinity over the winter, and if that happens, it can sometimes take a little extra time to mix everything back up. After that, one hour is fine.
    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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