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Thread: Water Tastes Sour

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    Water Tastes Sour

    I finally got to dive into my pool for the first time last night....the water tasted sour. My son told me this has been happening for the past few weeks......?????
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    no-mas's Avatar
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    Re: Water Tastes Sour

    Hi - Welcome to the forum!

    Post a set of test results. How's the pH?
    18k gal inground, everbrite finish, 505 sq ft; 1.5 hp two speed whisperflow; rheem 5100ti 100k btu heat pump; 3 sheer descent falls; DE filter; swg (cell out and using trichlor for now)

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    Mod Squad Bama Rambler's Avatar
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    Re: Water Tastes Sour

    What chemicals have you put in it? What have you had to treat it for?

    And just to echo what No-Mas said. A full set of test numbers would be very helpful.
    Dave J. TFP Moderator
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    Re: Water Tastes Sour

    Quote Originally Posted by no-mas
    Hi - Welcome to the forum!

    Post a set of test results. How's the pH?
    PH is almost non existant.........barely reading 6.8
    33x15 (17000 gallons) feet http://www.flickr.com/photos/4312999...7622362656171/
    Magiline Magiclassic http://www.swimming-pools-magiline.com/
    SWG Compu-Pool CPSC-36 http://www.compupool.com.au/product/..._cleaning.html
    PH Control through Muriatic Acid

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    Mod Squad JohnT's Avatar
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    Re: Water Tastes Sour

    Quote Originally Posted by Judi
    Quote Originally Posted by no-mas
    Hi - Welcome to the forum!

    Post a set of test results. How's the pH?
    PH is almost non existant.........barely reading 6.8
    Then the first step is to raise the pH to around 7.4.
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    20K Gallon 20X36 Vinyl Inground
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    frustratedpoolmom's Avatar
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    Re: Water Tastes Sour

    FC
    CC
    PH
    TA
    CH
    CYA

    A full set would be helpful.
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
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    Re: Water Tastes Sour

    Quote Originally Posted by JohnT
    Quote Originally Posted by Judi
    Quote Originally Posted by no-mas
    Hi - Welcome to the forum!

    Post a set of test results. How's the pH?
    PH is almost non existant.........barely reading 6.8
    Then the first step is to raise the pH to around 7.4.


    We had the water tested yesterday, there was 0 Alkalinity.......we added 22 pounds and now the water is opaque.......we are backwashing the filter and i'm assuming that I now need to shock the pool?????????
    33x15 (17000 gallons) feet http://www.flickr.com/photos/4312999...7622362656171/
    Magiline Magiclassic http://www.swimming-pools-magiline.com/
    SWG Compu-Pool CPSC-36 http://www.compupool.com.au/product/..._cleaning.html
    PH Control through Muriatic Acid

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    Mod Squad JohnT's Avatar
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    Re: Water Tastes Sour

    Quote Originally Posted by Judi
    We had the water tested yesterday, there was 0 Alkalinity.......we added 22 pounds and now the water is opaque.......we are backwashing the filter and i'm assuming that I now need to shock the pool?????????
    No need to shock unless you have chlorine issues. You are just seeing the cloudiness from adding the baking soda.
    TFP Moderator
    20K Gallon 20X36 Vinyl Inground
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    Mod Squad Bama Rambler's Avatar
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    Re: Water Tastes Sour

    I'd be very suspicious of a TA reading of zero.

    What were the rest of the numbers?
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    Re: Water Tastes Sour

    Quote Originally Posted by Bama Rambler
    I'd be very suspicious of a TA reading of zero.

    What were the rest of the numbers?

    CC 4.0
    PH Unr
    Alk 0
    CY 105
    Copper 0
    Iron 0
    33x15 (17000 gallons) feet http://www.flickr.com/photos/4312999...7622362656171/
    Magiline Magiclassic http://www.swimming-pools-magiline.com/
    SWG Compu-Pool CPSC-36 http://www.compupool.com.au/product/..._cleaning.html
    PH Control through Muriatic Acid

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    frustratedpoolmom's Avatar
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    Re: Water Tastes Sour

    First, go to User Control Panel, top left, then Profile, then Edit Signature. Add your pool specs and equipment to your signature line so we can know what kind of pool and how big it is, type of filter, etc.

    It's not clear what you are testing with....Do you have your own kit?

    Is that really a CC of 4? OR is that mean to read FC or TC?

    Anytime you have a CC higher than .5, you need to shock the pool. However, I would not begin shocking the pool until you lower the CYA which is way too high.

    Your water is very unbalanced, if those readings are accurate.

    1) you need your own test kit. Refer to the article in Pool School that compares the two kits we recommend.

    2) the first thing you should do is a partial drain/refill to lower the CYA, at least 1/3 down is a good starting point. Recirculate, retest and repeat if necessary. At the very least try to get it down to 60-70.

    3) begin to rebalance the other parameters. Start with PH/TA. When both are low, it's best to use Soda Ash, or "PH Up". Arm & Hammer Washing Soda (not detergent) is the grocery store version, if you can find it. Use the Pool Calculator to determine dosing.

    4) since you added baking soda, you need to retest these levels to get current ones.

    5) Once the CYA is down, the PH/TA are in range, begin to shock the pool.

    6) After everything is stable, if you have a plaster pool you can adjust calcium if necessary. Did they not test the calcium?

    Hope this helps.
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
    http://www.PerfectlyClearPoolService.com

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    Re: Water Tastes Sour

    Quote Originally Posted by frustratedpoolmom
    First, go to User Control Panel, top left, then Profile, then Edit Signature. Add your pool specs and equipment to your signature line so we can know what kind of pool and how big it is, type of filter, etc.

    It's not clear what you are testing with....Do you have your own kit?

    Is that really a CC of 4? OR is that mean to read FC or TC?

    Anytime you have a CC higher than .5, you need to shock the pool. However, I would not begin shocking the pool until you lower the CYA which is way too high.

    Your water is very unbalanced, if those readings are accurate.

    1) you need your own test kit. Refer to the article in Pool School that compares the two kits we recommend.

    2) the first thing you should do is a partial drain/refill to lower the CYA, at least 1/3 down is a good starting point. Recirculate, retest and repeat if necessary. At the very least try to get it down to 60-70.

    3) begin to rebalance the other parameters. Start with PH/TA. When both are low, it's best to use Soda Ash, or "PH Up". Arm & Hammer Washing Soda (not detergent) is the grocery store version, if you can find it. Use the Pool Calculator to determine dosing.

    4) since you added baking soda, you need to retest these levels to get current ones.

    5) Once the CYA is down, the PH/TA are in range, begin to shock the pool.

    6) After everything is stable, if you have a plaster pool you can adjust calcium if necessary. Did they not test the calcium?

    Hope this helps.

    The pool is a 15' 52" above ground pool with an earth filter. We took the sample to our local pools supply store yesterday, who tested it and had us put in the Alkaline Plus. The combined chlorine is 4.0 we were told to shock the pool but not until we got the CY down. I just don't know how long the pool will remain cloudy???
    33x15 (17000 gallons) feet http://www.flickr.com/photos/4312999...7622362656171/
    Magiline Magiclassic http://www.swimming-pools-magiline.com/
    SWG Compu-Pool CPSC-36 http://www.compupool.com.au/product/..._cleaning.html
    PH Control through Muriatic Acid

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    frustratedpoolmom's Avatar
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    Re: Water Tastes Sour

    Once you get the CYA down to a more manageable number, and can shock properly, you should see visible improvement daily.
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
    http://www.PerfectlyClearPoolService.com

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