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Thread: New fill, test for CYA?

  1. Back To Top    #1

    Join Date
    Aug 2013
    San Jose, CA

    New fill, test for CYA?

    This is a great site! I have been to pool school and have used BBB for a couple of months now. I just drained and refilled my pool due to high CYA. Is it necessary to test the CYA level in the new fill water before adding more? I didn't think so, but want to be sure.
    31,000 gal., DE, IG plaster, Pentair IntelliFlo VS
    Taylor K-2006 test kit

  2. Back To Top    #2

    In the Industry
    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

    Re: New fill, test for CYA?

    Fill water will have no CYA.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

  3. Back To Top    #3
    Mod Squad Patrick_B's Avatar
    Join Date
    Jun 2011

    Re: New fill, test for CYA?

    Welcome to TFP cbaker!

    No CYA in the fill water, so you will have to add it. Check out Pool School and start with the ABC's of Pool Chemistry. Enjoy the forum and ask questions as you have them. We are happy to help.
    TFP Moderator
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    28K Gal IG FreeForm, CLI Quartz, Flagstone, 36"SF, Pentair VS Pump, EasyTouch W/Remote, Rheem 400KBTU Htr

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