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Thread: cancun tom

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    cancuntom's Avatar
    Join Date
    Mar 2009
    Location
    Cancun, Mexico
    Posts
    45

    cancun tom

    Please do not hi-jack another's thread....here is your own thread.

    Our pool is in Cancun, Mexico. It is an in-ground with a flat bottom and uniform depth of 4' 6". It is oval shaped. It is made from concrete block with stucco and then ceramic tiles. It has 2 bottom drains and 2 skimmer pots. Our make up water is pumped from a cenote/well on our property that has a submersible pump in it. We have had an inordinate amount of rain this season. Four weeks ago it rained for 6 days straight accounting for 35% of our total annual rainfall. I had to drain down the water level about 4-5 inches 3 times to keep the skimmers intakes at the correct level. Otherwise they would be completely submerged. Unfortunately the rains have continued with 3 more days of constant rains. Our pool water is cloudy. This is the first time in 5 years we have had this problem. Here are my test results:

    Date: 7/5/2013
    Water temp 83F
    Air temp 81F

    FC 0
    CC 0
    TC >5
    pH 7.2
    T/A 110
    CH 320
    CYA 100

    When performing the FC test when I put the heaping spoon full of R-870 powder into the cylinder it does not turn pink. It turns dark grey. When adding the R-871 per the instructions in never turns completely clear. When continuing on by adding 5 drops of R-0003 The solution does not change from the dark grey. So I put 0 in both results because I don't know how to interpret it. Any advice would be greatly appreciated. Thanks in advance
    cancunTom
    Pool size: 14,300 gals. in-ground
    Filter: Aster99 Sand
    Flow: 22m3/h
    Construction: concrete block/Stucco/Glass mosaic tile
    Pump: 2hp, 3450rpm, 220V
    Heater: RayPak P-R206AE
    Check out our Mexican Adventures on my Caribbean Webpage & leave a comment! http://www.cancunTom.com

  2. Back To Top    #2

    Join Date
    Aug 2010
    Location
    Dallas, TX
    Posts
    4,052

    Re: Have the test kit, new results, need advice...

    If there's no pink, there's no FC. And with CYA at 100, you may very well be well over 100. Dilute pool water half/half with tap water and run the CYA test again. But I can tell you that you are going to need to drain and fill to get that CYA down to a manageable number.
    Built in 1957 44,000 gallon in-ground, Wet Edge Primera Stone in Sky Blue, Intelliflo VF Pump, 600 lb. Pentair Triton II TR-100 Sand Filter, CircuPool RG 60 Plus SWG, TF-100 test kit
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    cancuntom's Avatar
    Join Date
    Mar 2009
    Location
    Cancun, Mexico
    Posts
    45

    Re: Have the test kit, new results, need advice...

    Ok.
    I let the water rest for 2 days with out any pumps running. I then vacuumed the settled sentiment directly into the sewer. Now the water is crystal clear.

    I drained 50% of the pool water and added tap water back in.

    Here are the current measurements.
    FC 6
    CC 2
    TC >5
    PH 7.2
    T/A 150
    CH 270
    CYA 100
    TEMP AIR 88 / WATER 84
    cancunTom
    Pool size: 14,300 gals. in-ground
    Filter: Aster99 Sand
    Flow: 22m3/h
    Construction: concrete block/Stucco/Glass mosaic tile
    Pump: 2hp, 3450rpm, 220V
    Heater: RayPak P-R206AE
    Check out our Mexican Adventures on my Caribbean Webpage & leave a comment! http://www.cancunTom.com

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    Join Date
    Jun 2012
    Location
    Howell, NJ
    Posts
    977

    Re: cancun tom

    That CYA is still high. You may want to do a dilution test to get a better idea of where it really is. Mix 50% tap water and 50% pool water, do the test and double the result. It would be best to do at least another 50% drain and refill.
    John
    7 year old ~13,500 gal 24' AGP with 1.5 hp Proline pump, 150 sqft Pleatco cartridge, filled with well water with pH of about 4.5.
    Wanda the Whale pool vacuum, home made heater, Taylor K-2006
    Cloudy Pool? 1) Order test kit. 2) Follow SLAM
    New to TFPC? Read Pool School a few times, then post questions. PoolMath will help with chemical additions.

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