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Thread: Testing CYA with Taylor-2006

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    Testing CYA with Taylor-2006

    I know some people have poorer eyesight than others, but when I was filling the test tube and looking till when the dot disappears, it seemed to have disappeared--then I took it over to brighter daylight and it was very faintly still there, like if I closed one eye I could still barely see a hint of it. How much light is needed? What's the trick with this? Thanks!
    Sundance Calypso Hot tub 1500 L, 2 pumps, Taylor K-2006 test kit

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    Re: Testing CYA with Taylor-2006

    You should conduct the test outdoors in full sunlight with the sun to your back. The real trick is to pour the solution back and forth from the mixing bottle to the test tube several times to make sure you get a good consistent reading.
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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    Re: Testing CYA with Taylor-2006

    Quote Originally Posted by tim5055 View Post
    You should conduct the test outdoors in full sunlight with the sun to your back. The real trick is to pour the solution back and forth from the mixing bottle to the test tube several times to make sure you get a good consistent reading.
    LOL we don't get much sun in the winter, but yeah it's usually much brighter outside. I'll do the pouring back and forth from the mixing bottle. Seems to use a lot of the reagent! I guess that's why it comes with 2 bottles.
    Sundance Calypso Hot tub 1500 L, 2 pumps, Taylor K-2006 test kit

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    Re: Testing CYA with Taylor-2006

    Quote Originally Posted by davesurfer View Post
    LOL we don't get much sun in the winter, but yeah it's usually much brighter outside. I'll do the pouring back and forth from the mixing bottle. Seems to use a lot of the reagent! I guess that's why it comes with 2 bottles.
    YOu only need to mix one batch. Once mixed it doesn't go bad - just pour back and forth.
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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    Re: Testing CYA with Taylor-2006

    Quote Originally Posted by davesurfer View Post
    I know some people have poorer eyesight than others, but when I was filling the test tube and looking till when the dot disappears, it seemed to have disappeared--then I took it over to brighter daylight and it was very faintly still there, like if I closed one eye I could still barely see a hint of it. How much light is needed? What's the trick with this? Thanks!
    I thought that you don't really have to worry about CYA in a covered spa. Presumably yours is covered, isn't it?
    Vinyl 18'x36' in-ground 100,000 L, Jandy Aquapure 1400 SWCG, Jandy Lite2 heater, StaRite System3 filter, Evac tube solar heating panels

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    Mod Squad tim5055's Avatar
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    Re: Testing CYA with Taylor-2006

    Dave is following these methods - How do I use Chlorine in my Spa (or pool)?

    So yes, CYA needs to be measured -

    Here is a quote from that article:
    Sanitation
    On a fresh fill use Dichlor until you get to 20-30 ppm CYA. (10 ppm FC = 9 ppm CYA)
    Then switch to Clorox Unscented 6% bleach.
    Never let FC drop to Zero for any length of time. Keep it between 3-6 ppm normally, min of 1 ppm, and shock to 12 ppm once a week.
    Use MPS if needed before hot tub party's and/or once a week to help oxidation. Don't use more than needed, because it's acidic and may lower your TA/pH.
    Dichlor, Bleach and MPS is all you need to keep your tub sanitized.
    Use PoolMath to calculate exact amounts to add.
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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