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Thread: CYA question

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    Join Date
    Jul 2011
    Location
    Northern VT
    Posts
    10

    CYA question

    After adding does of stabilizer, generally speaking, how long does it take increase the CYA number to its potential?

    I added CYA stabilizer last Saturday. Put it in a sock hanging from the ladder. The stabilizer was completely gone from the sock by Wednesday. So would my CYA number be at its high point right after the sock was empty or does it take longer?

    I'm sure running the pump has some influence. I'm been running my pump about 6-8 hrs per day split between morning and night.
    Intex Easy Set 18'x48" Intex 2500 gpm sand filter, Deluxe skimmer.

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    In the Industry

    duraleigh's Avatar
    Join Date
    Apr 2007
    Location
    Sebring, Florida
    Posts
    30,085

    Re: CYA question

    Generally, we advise to wait a week after introduction to the pool to get an accurate CYA reading. Sometimes it will show on the test quite a bit sooner (3 days) but a week seems to be a good rule of thumb.

    For calculating your FC dosages, you can ASSUME the CYA (in the amount you calculated) is in the pool and effective within 24 hours.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

  3. Back To Top    #3

    Join Date
    Jul 2011
    Location
    Northern VT
    Posts
    10

    Re: CYA question

    Thank you!
    Intex Easy Set 18'x48" Intex 2500 gpm sand filter, Deluxe skimmer.

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