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Thread: CYA test

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    CYA test

    My CYA test never gets to the point that I can not see the black dot. It (the test kit) is only a year old and I was successful in testing it last year. What gives?

    I assumed the CYA was too high so I drained and filled. No change. Tested my tap water. Black dot all day long.
    15,000 gal, in-ground, plaster (new 2 yrs ago), attached spa, DE filter, AO Smith pump motor/2.20 THP

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    Mod Squad JohnT's Avatar
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    Re: CYA test

    If you can see the black dot with the tube full, you have less than 20ppm CYA.
    TFP Moderator
    20K Gallon 20X36 Vinyl Inground
    Hayward S244T Sand Filter with 1HP Whisperflo Pump. Liquidator C-201 and Solar Heat

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    Re: CYA test

    How do I raise it? That will make balancing my FC levels difficult, right?
    15,000 gal, in-ground, plaster (new 2 yrs ago), attached spa, DE filter, AO Smith pump motor/2.20 THP

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    Mod Squad woodyp's Avatar
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    Re: CYA test

    Go to Walmart and buy a 4 lb. jug of it, it is granular. Think it switched to a pink top this year. Also called conditioner. Use PoolMath to try and take it to 30 to start.
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
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    duraleigh's Avatar
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    Re: CYA test

    Adding CYA to your pool has absolutely no affect on FC levels. Calculate your dosage and test in 24 hours but you can assume it's in there from the minute you apply the dose.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Mod Squad pooldv's Avatar
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    Re: CYA test

    More here on how to add CYA to your pool, Pool School - Recommended Pool Chemicals

    CYA protects your FC from quickly breaking down in the sun. And it also buffers the harshness of the FC.
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    kywildcats's Avatar
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    Re: CYA test

    Is it ok to add the stabilizer with the sock method in the skimmer, and turn filter to re-circulate so it doesn't go in the filter?

    Sorry, I wasn't trying to hijack this post, and I was getting ready to ask anyway.
    Mark
    20'x28' IG, Vinyl, (Sept 2015) 14,900 Gallon, 3'4 to 5'6 deep, SPLAPOOL 1.5 HP, 220v, 2 speed pump, Waterway Carefree 27" 400 LB Sand filter, Digital Nano plus SWG, TF-100 test kit /speed stir. Dolphin Primal x3 robotic cleaner

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    RNDEBBIEROSE's Avatar
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    Re: CYA test

    I usually hang my over a return, and give it a squeeze every once in awhile to help disburse it. Works well for me.
    18 foot round AG vinyl 9,000 gallon pool, Hayward Perflex 1 hp pump, DE filter. Taylor K-2006 Test Kit. Pool new July, 2014.

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