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Thread: when to test after rain?

  1. Back To Top    #1

    Join Date
    Mar 2013
    Location
    NW GA
    Posts
    69

    when to test after rain?

    I know y'all say rain doesn't affect pool chemistry, but my pool seems to disagree.
    We got 4-5" rain in the past hour, and I wasted approximately 1300 gallons to prevent the pool from overflowing. I'll need to waste more when the rain stops to get the water level below the opening of the skimmer.

    Assuming it stops raining in the next 3 hours, is early evening still the best time to test? Or should I let the water turn over once or twice before testing?
    26900 gal IG Vinyl (18'x36', 3' shallow end and 8' deep end plus steps)
    sand filter and 2.7hp variable speed timer
    Jandy Ei SWG (2yr old)

  2. Back To Top    #2
    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Location
    Tucson, AZ
    Posts
    37,389

    Re: when to test after rain?

    It only takes an hour or so to mix the water up. So, an hour after you dump water with the pump running and the levels should be uniform enough to test.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
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  3. Back To Top    #3

    Join Date
    Mar 2013
    Location
    NW GA
    Posts
    69

    Re: when to test after rain?

    Good to know.
    Thank you, sir!
    26900 gal IG Vinyl (18'x36', 3' shallow end and 8' deep end plus steps)
    sand filter and 2.7hp variable speed timer
    Jandy Ei SWG (2yr old)

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