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Thread: Ch / PH test picture help

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    Ch / PH test picture help

    Does this ph look high??

    15ft Round AG
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    15ft Round, Above Ground , Rheem 106K Heater , Black Diamond 90 Cartridge Filter, Pool Frog(disconnected) ,TF-100, City of Chicagos finest H20

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    linen's Avatar
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    Re: Ch / PH test picture help

    Welcome to tfp, Rynz

    Yes, it looks like 8.2 to me. Keep in mind on that test when it indicates 8.2 it can actually be higher. Lower ph using Muriatic Acid and the poolcalculator.com to calculate dosing.

    By the way, what cyanuric acid (cya) level do you have? You likely do not have enough chlorine in the pool since your TC is ~1 ppm. See this pool school article: http://www.troublefreepool.com/pool-...ater_chemistry
    TFP Expert who uses Pool School and my TF100 test kit along with PoolMath for my: Round 11K gallon AGP with deep end, 20" sand filter, Matrix 1hp 2spd, 6 2ftX20ft solar panels (and solar cover!), Intex SWCG (copper bars disconnected) and a Rubadub hot tub (chlorine). The SLAM process is not finished until: 1. CC < 0.5 ppm, 2. An OCLT < 1.0 ppm and, 3. The water is crystal clear.

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    Mod Squad jblizzle's Avatar
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    Re: Ch / PH test picture help

    I agree with linen's numbers.

    FYI, the number of drops for the pH test you use is not critical ... you could use one more (or one less) to see if it is easier to match the color. You do not care about the saturation, you care about the hue.
    Jason, TFP Moderator
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    Re: Ch / PH test picture help

    Will do .. thanks for the help
    15ft Round, Above Ground , Rheem 106K Heater , Black Diamond 90 Cartridge Filter, Pool Frog(disconnected) ,TF-100, City of Chicagos finest H20

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    Re: Ch / PH test picture help

    Should i use the PH down powder ? or get muratic acid ... Were suppose to get heavy rain tonight , would the rain lower the ph on its own?
    15ft Round, Above Ground , Rheem 106K Heater , Black Diamond 90 Cartridge Filter, Pool Frog(disconnected) ,TF-100, City of Chicagos finest H20

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    msgtdan's Avatar
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    Re: Ch / PH test picture help

    I've actually had heavy rain raise PH, I think due to aeration as the drops hit the surface. You can use either PH down or muratic acid if you have either on hand, if buying acid is usually cheaper but you have to use safe handling methods.
    Dan D
    Used 2003 Aqua Leader 27'x52", 17,800 w/10" hopper, SwimPro SW256T 250# sand filter, Hayward PowerFlo LX pump 1hp impellor, Emerson 1 1/2 hp motor, setup Aug 2012 Summer 2011 used Summer Escapes Ring pool 14' x 42", Intex 1600gph sand filter, HTH 6 way test kitTF-100 w/stirrer, Well water @ FC=0, PH=7.2, TA=290, CH=320

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