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Thread: Just filled my pool up

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    Join Date
    Aug 2008
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    Richardson, TX
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    Just filled my pool up

    Hello, I just finished draining and cleaning my pool. It is about 6 inches from full right now and still filling up. Below are my test results
    FC 0
    PH 8
    TA 120
    CYA 0

    I just need to bounce off what i think i learned using the pool calculator.

    I am going to add 29 ounces of Muratic acid to lower my PH from 8 to 7.5 then I am going to add 261 ounces of 6% bleach to rais my FC from 0 to 7 tonight (testing it each morning until i realize what the drop is each night)

    I know my CYA is way low, it says add 96 ounces by wweight or 249 ounces liquid of stabilizer. this is where i am stuck. what can i use as stabilizer? i read pool school and it says Cyanuric acid but i am not sure where to get that.


    Am i missing anything else that needs to be done? With no chlorine right now because it is filling up the water is a very faint shade of green/blue. super clear for now.

    Any advice is appreciated.
    Steve from Texas

    18000 gallon kidney shaped gunite pool with attached jacuzzi

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    duraleigh's Avatar
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    Re: Just filled my pool up

    Hey, Steve,

    CYA, Cyanuric Acid, and Stabilizer are all the same thing. You'll need around 5-6 lbs and you can get it at a pool store or Lowe's.HD/WalMart.....in the pool section.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Mod Squad woodyp's Avatar
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    Re: Just filled my pool up

    Stabilizer can also be called "conditioner". Get some chlorine and CYA in it as soon as you can circulate the pump---and let her run! Powder stabilizer should go in the skimmer or in a sock in fromt of the return jet. NOT just dumped in front of a jet. Don't ask me how I know this! (It was an experiment that failed). You can drop PH to 7.2 btw.
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
    2 Speed Hayward Power-Flo Matrix 85 g.p.m. 22" 250lb. sand filter hard plumbed
    Pool Rover Jr., Pool Blaster Max, Diver Dave TF100 Test Kit/Speed Stir
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    Re: Just filled my pool up

    Thanks for both the fast responses. I should be able to turn the pump on in about 2 hours. so will add chemicals then. Does it matter what i do first?
    Steve from Texas

    18000 gallon kidney shaped gunite pool with attached jacuzzi

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    Mod Squad woodyp's Avatar
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    Re: Just filled my pool up

    Nope! the CYA won't show up as an "accurate" test level for a few days at least-don't worry about it. Just add chlorine to the target level of the CYA and see how it works. I personally add another 2 parts of chlorine here in Texas over the target level cause this good old sun (if your pool has full sun all day) is gonna eat it like chocolate. My CYA level is 50 btw.
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
    2 Speed Hayward Power-Flo Matrix 85 g.p.m. 22" 250lb. sand filter hard plumbed
    Pool Rover Jr., Pool Blaster Max, Diver Dave TF100 Test Kit/Speed Stir
    Margaritaville Frozen Concoction Maker, Liqour Chiller, & Drink Mixer & Party Tub----Collect 'um all!

  6. Back To Top    #6

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    Re: Just filled my pool up

    Pool pump is running, just added the bleach and the muratic acid and stabilizer. i will test the water again in the morning for a while to see what i am losing each day. thanks for the help everyone.
    Steve from Texas

    18000 gallon kidney shaped gunite pool with attached jacuzzi

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    frustratedpoolmom's Avatar
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    Re: Just filled my pool up

    Hi Steve,
    Don't retest the CYA for 5-7 days, but assume your target is your new level and adjust the FC accordingly.
    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: Just filled my pool up

    good to know. I wont retest for a few days. If i retest and i am still not at 40 or 50, but low, what harm does that do? i read everything i could find but couldn't see what harm low CYA does. The reason i ask is i had a problem a few years ago with really high CYA after i bought the house. a little skiddish of getting it too high now
    Steve from Texas

    18000 gallon kidney shaped gunite pool with attached jacuzzi

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