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Thread: Yellowish/brownish cloudy areas

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    Marci M's Avatar
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    Yellowish/brownish cloudy areas

    Hello,

    Fairly new to TFP. Completed my first drain/refill and slam a few weeks ago. Since the my pool has been extremely clear and very easy to manage with bleach.

    For the past few days we have noticed yellow/brown cloudy areas around the pool. I have tried adding my maintenance bleach directly onto it, but that doesn't seem to work.

    I am not able to test my water at this time because there is a storm right now.
    My test from yesterday:
    FC: 3.5
    CC: .5
    PH: 7.8
    TA: 120
    CYA: 40

    Any thoughts and suggestions would be very much appreciated.

    Mahalo!

    Marci
    13 K gallons, in ground, rectangle, 14 x 30 Vinyl, single main drain, Sand filter, Hayward Tablet Chlorinator, Pentair Pump

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    Texas Splash's Avatar
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    Re: Yellowish/brownish cloudy areas

    Hello Marci! Before we make too many assumptions, let's clarify a couple tings:
    - The cloudy areas, they are just that cloudy? Or is it stuck to the surface of the pool?
    - Do you always let the FC get that close to the recommended minimum? Is there any chance at all it may have slipped below that at one point?
    - Does your water come from a city source, or do you use a well?
    - Have you added anything other than bleach to your water and what is typically listed on our page: Pool School - Recommended Pool Chemicals
    Let's start there and see what we can come-up with.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
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    Marci M's Avatar
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    Re: Yellowish/brownish cloudy areas

    The cloudy areas seem to be a floating yellow/brown cloud that does not settle in the pool surface. As soon as there is movement in the water it disappears.

    My FC is usually around 5 but we've had a lot of rain and had to drain it a bit. When it was at 3.5 I added enough bleach to get it to 7.

    My water is from our Board of Water Supply, not a well.

    I have not added anything but bleach to my pool. My chemical levels were in range, so I saw no need to add anything else.

    Thank you for responding to me..AGAIN!
    13 K gallons, in ground, rectangle, 14 x 30 Vinyl, single main drain, Sand filter, Hayward Tablet Chlorinator, Pentair Pump

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    Texas Splash's Avatar
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    Re: Yellowish/brownish cloudy areas

    It's good the yellow/floating stuff is just that - floating and mobile. That tends to indicate it's more in the dust/pollen area. Have you ever tried a skimmer sock? You can use a an old nylon or paint strainer net to wrap inside your pool skimmer. It helps to catch a lot of fine stuff like that as well as small bugs.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
    If you enjoyed your TFP experience, please consider donating to Support TFP!

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    Marci M's Avatar
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    Re: Yellowish/brownish cloudy areas

    [QUOTE=Texas Splash;914421 Have you ever tried a skimmer sock? You can use a an old nylon or paint strainer net to wrap inside your pool skimmer. It helps to catch a lot of fine stuff like that as well as small bugs.[/QUOTE]

    I have never tried a skimmer sock. An old nylon, like pantyhose?? I'm trying to picture it...I'm envisioning it being like a coffee filter with the edges folded over the top. Is that correct?
    13 K gallons, in ground, rectangle, 14 x 30 Vinyl, single main drain, Sand filter, Hayward Tablet Chlorinator, Pentair Pump

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    Texas Splash's Avatar
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    Re: Yellowish/brownish cloudy areas

    You're exactly right. Old pantyhose or something that with a fine mesh material. Stretch it inside just like a coffee filter (good example). It does wonders. I never run my pool without one just to catch the small bugs. Saves me from having to clean the cartridge filter quite as often too.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
    If you enjoyed your TFP experience, please consider donating to Support TFP!

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    Marci M's Avatar
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    Re: Yellowish/brownish cloudy areas

    Alright, I think I got it. I can't wait to try it when I get home.

    You've been a big help Pat!! Mahalo!!
    13 K gallons, in ground, rectangle, 14 x 30 Vinyl, single main drain, Sand filter, Hayward Tablet Chlorinator, Pentair Pump

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    Re: Yellowish/brownish cloudy areas

    Marci! After all your hard work, another issue? Arg!

    Try the skimmer socks and let us know. Keep that FC at or above target so you never fall below your minimum! We don't want to shock again and be "frustrated"!

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    Marci M's Avatar
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    Re: Yellowish/brownish cloudy areas

    Hi Marian! Yes, another issue but nothing compared to cleaning a swamp every weekend.

    We just opened up the sand filter and it was disgusting! Plus it looks like we have lost a lot of sand. I'll need to replenish that immediately.

    Before my pump starts in the morning my pool is SPOTLESS. In under an hour of filtering the pool it looks like I need to vacuum.

    How often is the sand in the filter supposed to be changed?

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    Texas Splash's Avatar
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    Re: Yellowish/brownish cloudy areas

    Normally sand will last as long as the filter itself unless something is added to make it coagulate or something. Simply maintaining it via backwashing and rinsing should be all you need to do. But if you somehow lost some, then replacing would be a good thing to do. Glad to hear your pool is in great shape.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
    If you enjoyed your TFP experience, please consider donating to Support TFP!

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    Marci M's Avatar
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    Re: Yellowish/brownish cloudy areas

    Pat, that's a very interesting statement. Just prior to discovering this forum, I was (at the pool stores advice) adding a bunch of stabilizer to my filter via the skimmer.

    Could that be it?

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    Texas Splash's Avatar
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    Re: Yellowish/brownish cloudy areas

    I wouldn't think granular stabilizer should present a problem just because it was in your filter. The main reason we recommend the sock method as opposed to letting stabilizer go straight to the filter is because if someone washes their filter before it dissolved, they just wasted the stabilizer. But I don't believe CYA itself would cause any problems for the sand itself. Just to make sure ... are you backwashing then rinsing? Perhaps some of the junk from before just never made it all the way out from backwashing?
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
    If you enjoyed your TFP experience, please consider donating to Support TFP!

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    Marci M's Avatar
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    Re: Yellowish/brownish cloudy areas

    I have my nylon in place and am planning on replacing the sand in my pump very soon.

    Hopefully that will fix my issues.

    Thank you.
    13 K gallons, in ground, rectangle, 14 x 30 Vinyl, single main drain, Sand filter, Hayward Tablet Chlorinator, Pentair Pump

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    Re: Yellowish/brownish cloudy areas

    Have you tried to Deep Clean your sand filter?

    The sand could be very dirty/clumped together creating channels that the water will flow through, greatly reducing the effectiveness of the filter.

    Dom
    Dom - TFP Guide
    Intex 18' X 48" Ultra Frame AGP 6700 gallons | Two Intex CS8110 SWG's | Hayward Pro Series 21" Sandfilter | Hayward 1.5HP Power Flo Matrix pump | Hayward Thru-wall Skimmer | Wanda the Whale | 72 sq ft of Sungrabber Solar Panels with Hayward GLC-2P-A | Taylor K2006 Test Kit, Sample Sizer & Speed Stir | Click Here To Become a TFP Supporter!

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    Re: Yellowish/brownish cloudy areas

    sorry, double post.
    Dom - TFP Guide
    Intex 18' X 48" Ultra Frame AGP 6700 gallons | Two Intex CS8110 SWG's | Hayward Pro Series 21" Sandfilter | Hayward 1.5HP Power Flo Matrix pump | Hayward Thru-wall Skimmer | Wanda the Whale | 72 sq ft of Sungrabber Solar Panels with Hayward GLC-2P-A | Taylor K2006 Test Kit, Sample Sizer & Speed Stir | Click Here To Become a TFP Supporter!

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    Marci M's Avatar
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    Re: Yellowish/brownish cloudy areas

    Nylon sock has been working wonders. Deep cleaned our sand filter. My husband is at the pool store right now buying silica sand. The sales associate told my husband we have yellow algae and tried to sell him "yellow treat". I told him to not buy anything until I get the word from my pool consultants.
    13 K gallons, in ground, rectangle, 14 x 30 Vinyl, single main drain, Sand filter, Hayward Tablet Chlorinator, Pentair Pump

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    Texas Splash's Avatar
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    Re: Yellowish/brownish cloudy areas

    You did good resisting the temptation to buy pool store chemicals. Bleach can more than handle any algae issues. Glad the skimmer sock is working. I always have a sock in my skimmer as well. Hopefully the filter issue will help you make more progress.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
    If you enjoyed your TFP experience, please consider donating to Support TFP!

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    Marci M's Avatar
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    Re: Yellowish/brownish cloudy areas

    Husband returned home with ONLY the sand, thank goodness.

    I'll let you know how it goes once we get the sand added to the filter.
    13 K gallons, in ground, rectangle, 14 x 30 Vinyl, single main drain, Sand filter, Hayward Tablet Chlorinator, Pentair Pump

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    Marci M's Avatar
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    Re: Yellowish/brownish cloudy areas

    Deep cleaned sand filter, replenished sand to 75% full and nylon on skimmer basket.

    My husband seems to think that I backwash too often. I've been told that I should backwash every time I vacuum my pool. Our normal gauge reading is 18-20.
    13 K gallons, in ground, rectangle, 14 x 30 Vinyl, single main drain, Sand filter, Hayward Tablet Chlorinator, Pentair Pump

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    Re: Yellowish/brownish cloudy areas

    What we need is the number that your gauge reads after a complete, full-cycle backwash. That is your "clean" psi. Then you backwash when the pressure rises ~25% over that value.

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