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Thread: HELP!! Havy rainfall...now what's wrong??

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    First Pool Judith's Avatar
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    HELP!! Havy rainfall...now what's wrong??

    We're in Austin, TX and have been getting massive amount of rain. My pool looked fine this morning. Now the water looks very cloudy - I can hardly see the Polaris at the bottom. If I had to guess, I think the water from my yard may have been running into my pool? Just a guess as we were not home today. What should I do?

    Chlorine tested at 3 (normally keep it at 6.5)
    Ph 7.8
    Alkalinity tested at 50 - normally keep it around 80

    Please advise. Should I shock??? This has never happened before so I don't know what to do.

    Thank you!
    Judith and Brian D
    16,000 gal; IG Quartscape; Cartridge Jandy CV460 (150 gpm Max); Jandy Pro 2.0 Variable
    Polaris PB460 3/4 booster; Polaris 280 Cleaner; In Line Chlorinator Tri-Chlor (don't use it) Ozonator
    Fill Date 11/11/2013

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    BoDarville's Avatar
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    Re: HELP!! Havy rainfall...now what's wrong??

    Yep, we been getting a lot of rain up this way as well.

    Quote Originally Posted by First Pool Judith
    Chlorine tested at 3 (normally keep it at 6.5)
    Ph 7.8
    Alkalinity tested at 50 - normally keep it around 80
    What are you using to test with? One of the parameters that is missing from your results is CYA (a.k.a., stabilizer) . The amount of chlorine you need to maintain depends on the CYA level as illustrated here: FC/CYA Chart.

    Now for what is causing the cloudiness, it very well could be runoff. Keep in mind that runoff can introduce microbes into the pool. If your chlorine is too low for your CYA, that can give algae an opportunity to gain a foothold. The proper amount of chlorine, and chlorine alone, will prevent algae. That's why we need to know the CYA level so we can determine if your current chlorine level is adequate.

    Three things I would recommend: (1) Remove as much debris as you can from the pool. This will reduce the chlorine demand, (2) Get one of the Recommended Test Kits, and (3) read the ABCs of Pool Water Chemistry article.
    Gold Supporter, TFP Lifetime Supporter, 26,680 gal Plaster IGP 3.5 - 10' depth / Attached Waterfall Spa, Manually Chlorinated, Triton Sand Filter, 1.5 HP * 1.1 SF = 1.65 SFHP 1-speed Pentair WhisperFlo WF-26 Pump, 400K BTU NG Teledyne Laars Series One Heater, Polaris 360, Test Kit Comparison, Chlorine/CYA Chart, SLAMing Your Pool, OCLT
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    First Pool Judith's Avatar
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    Re: HELP!! Havy rainfall...now what's wrong??

    I'm using the Taylor 81-330 and for chlorine I use the R-0870 DPD test. My CYA is normally around 50-55 and it is still so, I just did the test. The calcium hardness is 330.

    Thoughts? Do I shock? Leave the pump on high, or... something else?
    Judith and Brian D
    16,000 gal; IG Quartscape; Cartridge Jandy CV460 (150 gpm Max); Jandy Pro 2.0 Variable
    Polaris PB460 3/4 booster; Polaris 280 Cleaner; In Line Chlorinator Tri-Chlor (don't use it) Ozonator
    Fill Date 11/11/2013

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    First Pool Judith's Avatar
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    Re: HELP!! Havy rainfall...now what's wrong??

    Thoughts anyone?
    Judith and Brian D
    16,000 gal; IG Quartscape; Cartridge Jandy CV460 (150 gpm Max); Jandy Pro 2.0 Variable
    Polaris PB460 3/4 booster; Polaris 280 Cleaner; In Line Chlorinator Tri-Chlor (don't use it) Ozonator
    Fill Date 11/11/2013

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    duraleigh's Avatar
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    Re: HELP!! Havy rainfall...now what's wrong??

    If rainwater is flooding your pool, there is nothing to do until it stops. It will be a long process to clean out usually.

    Post a pic in the AM and let's see how bad it is.......I doubt you can help it tonight.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Isaac-1's Avatar
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    Re: HELP!! Havy rainfall...now what's wrong??

    You likely need to follow the slam process Pool School - SLAM - Shock Level And Maintain

    Ike

    ps your massive rains just hit here about 10 min ago, we have severe thunderstorm and tornado warnings going on
    Indoor 20x40 35,000 gallon vinyl pool with 1.5 HP 2 speed Jandy FloPro pump, Hayward EC75 Perflex DE filter, 11 4x12 Techno-Solis solar panels w/ Aquasolar controller, Aquabot Turbo T Robot Cleaner. Also LMI metering chlorine dispenser pump and HotSpring Jetsetter
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    Mod Squad pooldv's Avatar
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    Re: HELP!! Havy rainfall...now what's wrong??

    You only need to shock if you see signs of algae.
    Filter clogs quickly and often
    Pool walls slimy
    High chlorine usage
    Cloudy water

    Or Perform the Overnight FC Loss Test (OCLT)
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    First Pool Judith's Avatar
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    Re: HELP!! Havy rainfall...now what's wrong??

    OK here are the results from this morning an a pic.

    Today's numbers:
    FC: 6.8
    PH: 7.6
    TA: 70
    CYA: @53
    I did also perform an Perform the Overnight FC Loss Test - no loss of chlorine

    The pool looks much clearer this morning. Thoughts now?

    pool pic.JPG
    Judith and Brian D
    16,000 gal; IG Quartscape; Cartridge Jandy CV460 (150 gpm Max); Jandy Pro 2.0 Variable
    Polaris PB460 3/4 booster; Polaris 280 Cleaner; In Line Chlorinator Tri-Chlor (don't use it) Ozonator
    Fill Date 11/11/2013

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    Defgufman's Avatar
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    Re: HELP!! Havy rainfall...now what's wrong??

    I think you are fine. I've had some heavy rains do that to. Just keep your FC up and run the filter 24/7 until the pool is crystal again.

    - - - Updated - - -

    I'd elevate the FC to 8 for a few days.
    Inground 13,200 gal Vinyl, Pentair 3/4 hp pump, Pentair Sand Dollar filter, Polaris 280

    Pool School, Pool Math, CYA to FC ratio chart, Testing Kits

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    First Pool Judith's Avatar
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    Re: HELP!! Havy rainfall...now what's wrong??

    OK - thank you!!
    Judith and Brian D
    16,000 gal; IG Quartscape; Cartridge Jandy CV460 (150 gpm Max); Jandy Pro 2.0 Variable
    Polaris PB460 3/4 booster; Polaris 280 Cleaner; In Line Chlorinator Tri-Chlor (don't use it) Ozonator
    Fill Date 11/11/2013

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    Pops37's Avatar
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    Re: HELP!! Havy rainfall...now what's wrong??

    It will pass with a little extra TLC. I agree no need to shock unless algae . Filter extra to remove yard run-off. Might even consider dump 10% and hope for less rain. Truth is all TX needed the rain to bad it came all at once. Some people suffered family losses so sad. Anyway, I suggest dump excess up to 10% filter lots, If large stuff then vac or basket out. Then adjust chemicals as usual. Good luck.
    Gunite/plaster pool w/spa built 1983, 17,000 gal. (depth 3' x 6' x 3') (37' X 16' +spa, stairs & large in-pool bench seat). Arneson (now Hayward) pool vac (rebuilt 3 or 4 times over 30 years), 350k BTU (nat gas) XE heater (in need of a serious herbal cleansing lol), 2HP Marathon pump & filter basket, DE filter NSS-48, air pump for spa bubbles, one skimmer plus in-line filter Hayward CANISTER W560 to the pool vac. Re-plastered May 2013 reinforced quartz (Marbletite) Diamond Bright. Test kit: Taylor K-2006; Bleach

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