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Thread: Black water to clear water, HELP!

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    ckruegs's Avatar
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    Black water to clear water, HELP!

    I'm opening the pool after a year off and not using it. What do I need to do to get this back in order and ready for the kids to swim? Where do I start and what should I dump in it. Thank you for all your help.
    20x40 in ground pool. 33k gallons, SWG pool gas heater. Cartridge filter and vinyl liner.

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    Mod Squad jblizzle's Avatar
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    Re: Black water to clear water, HELP!

    Welcome to TFP!!!

    We do not ever recommend just "dumping" stuff in. The TFPC method is really just about understanding your pool’s chemistry and through accurate testing, adding only what the pool NEEDS.

    So, first step is investing in one of the Recommended Test Kits and posting up some results. Given your description, I urge you to get the TF-100 with the XL option so you have a lot of the needed reagents. The SpeedStir will also make the testing easier, but not required.

    You are certainly going to have to follow the ShockLevelAndMAINTAIN Process, but may need to make some adjustments first.

    While waiting for the kit, check out Pool School yet? Start with these:
    ABCs of Water Chemistry
    Recommended Pool Chemicals
    How to Chlorinate Your Pool

    These also may help in understanding what is ahead of you:
    Defeating Algae
    Turning Your Green Swamp Back into a Sparkling Oasis
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    Mod Squad pooldv's Avatar
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    Re: Black water to clear water, HELP!

    Welcome to TFP!

    Also while waiting, get out that leaf rake and scoop everything out of the pool. The less debris in the pool the faster the SLAM will go and it will use less chlorine. Look for Richard320 post on inspirational links for some swamp to sparkly pools.
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    Texas Splash's Avatar
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    Re: Black water to clear water, HELP!

    Greetings Ckruegs! In addition to what the experts have said already, I'd like to add that besides the outstanding advice and support you will find this site, understand it will be different from that of your local pool stores or builder. Why you might ask? Because it has been proven time & time again that the pool stores simply do not provide accurate testing of your water (for many reasons), employees don't always understand the chain-reaction of chemicals (effects) going into the pool, and they are a business that relies on "selling" products for a profit that don't really work. Once you read the links above or in my sig below, you will find that TFP employs the use of basic household items (i.e. regular bleach) to maintain a crystal clear pool. The products, used as noted in these links, are safe for your family and your pool If you try TFP, you won't be disappointed, and will be in charge of your pool. Welcome!
    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
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    ckruegs's Avatar
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    Re: Black water to clear water, HELP!

    Let the games begin, my TF100 XL came yesterday and I'm ready to roll. Thanks for all the well wishes, I'll be in touch after I get the pump running and my first test results.
    20x40 in ground pool. 33k gallons, SWG pool gas heater. Cartridge filter and vinyl liner.

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    Texas Splash's Avatar
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    Re: Black water to clear water, HELP!

    There you go! We'll be curious to see YOUR numbers.
    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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    BoDarville's Avatar
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    Re: Black water to clear water, HELP!

    Good job on getting the TF100 XL. Will stay tuned...
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    Re: Black water to clear water, HELP!

    Here are the numbers from test #1

    TA 120
    TC 0
    PH 8.2
    CYA 20

    let me know if I'm missing anything.

    thanks,

    ck
    20x40 in ground pool. 33k gallons, SWG pool gas heater. Cartridge filter and vinyl liner.

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    Mod Squad pooldv's Avatar
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    Re: Black water to clear water, HELP!

    Ph is high. It is important to keep PH between 7.2 and 7.8. You need to SLAM your pool so lower it to 7.2 for the SLAM.

    Now it is time to SLAM Your Pool. Follow the process closely and it will take less time and less bleach.

    Here are the Recommended Pool Chemicals and how to add them.
    Use PoolMath to figure out how much to add.
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    Re: Black water to clear water, HELP!

    A couple of details missing from your pool details signature that we need to know, what type of pool surface do you have (vinyl, fiberglass, plaster, etc.), and what kind of filter (sand, DE, cartridge)?

    Ike
    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
    I use and endorse TFtestKits TF-100 from http://tftestkits.net
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    Re: Black water to clear water, HELP!

    Pools clean and cloudy now, here are this mornings numbers:

    TC 1.0
    PH 7.5
    CYA 20
    TA 176

    any help with cloudiness would be greatly appreciated also along w/ other numbers.

    now that the pool is clean on the bottom I plan on poruring in bags of salt, any idea How much to start with? Remember this is the first use for 2 years.

    thanks as always.

    Ck
    20x40 in ground pool. 33k gallons, SWG pool gas heater. Cartridge filter and vinyl liner.

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    Mod Squad jblizzle's Avatar
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    Re: Black water to clear water, HELP!

    You let the FC drop too low. That is often the reason for cloudiness. You need to SLAM the pool.
    Jason, TFP Moderator
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    Mod Squad kimkats's Avatar
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    Re: Black water to clear water, HELP!

    Good job getting the good test kit! Now do a SLAM to finish up your pool. If you do it all of the way your pool will look like a jewel!

    Pool School - SLAM - Shock Level And Maintain

    The more you test and dose with bleach the faster you will clear it up!

    Kim
    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

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    Mod Squad pooldv's Avatar
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    Re: Black water to clear water, HELP!

    Need to test the salt to get some idea where you are first. What does the SWG say it is?

    Why is FC at 1, is algae consuming it faster than you can add it? That is algae level. Even when not slamming it should always be 3-5 ppm with CYA at 20. Chlorine CYA Chart
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    Re: Black water to clear water, HELP!

    Quote Originally Posted by pooldv View Post
    Need to test the salt to get some idea where you are first. What does the SWG say it is?

    Why is FC at 1, is algae consuming it faster than you can add it? That is algae level. Even when not slamming it should always be 3-5 ppm with CYA at 20. Chlorine CYA Chart

    yes, I think there is a little algae still floating around the pool. The filters have little to no green on them now so I should be algae free soon.

    Ck
    20x40 in ground pool. 33k gallons, SWG pool gas heater. Cartridge filter and vinyl liner.

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    Mod Squad jblizzle's Avatar
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    Re: Black water to clear water, HELP!

    So are you SLAMing? A filter will not eliminate algae.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    Cool Re: Black water to clear water, HELP!

    Quote Originally Posted by jblizzle View Post
    So are you SLAMing? A filter will not eliminate algae.

    Yes, SLAMMING away.
    20x40 in ground pool. 33k gallons, SWG pool gas heater. Cartridge filter and vinyl liner.

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    Re: Black water to clear water, HELP!

    Thanks everyone, pool looks great now.
    20x40 in ground pool. 33k gallons, SWG pool gas heater. Cartridge filter and vinyl liner.

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    Re: Black water to clear water, HELP!

    Ah, so you have kept you FC level at shock level until you passed all three criteria? What was you FC loss overnight?
    10,500 gal IG, Topaz Pebble, auto-level
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