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Thread: Question about using the bleach

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    Question about using the bleach

    Hi. I am new to this forum and new to the DIY pool maintenance. Since I am still waiting for the delivery of 100 test kit. This week, I am using the test kit from home depot. The chlorine level is around 1.0, ph level around 8.2, acid demand is 2drops, TA is 10 drops.
    I just bought some 8.25% bleach from supermarket. According to the pool calculator, the pool need 64 oz 8.25% bleach, as I understand, I can just pour this amount of bleach to the pool to adjust the Chlorine level, right? It is about half of the big bleach bottle. I have never used so much bleach at one time. So just wanna make sure ahead.

    Thanks!!!
    14000 gallons, plaster, with spa, cartridge filter, high/low speed, Build in June/July 2009, 1 tablet adds 2.4 CYA
    CYA=30, TA=60, CH=320

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    Mod Squad JohnT's Avatar
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    Re: Question about using the bleach

    Welcome to TFP!

    If your pool is really 140,000 gallons, 64 oz of bleach isn't going to do much. If it's 14,000 gallons, it will raise your FC about 3ppm. Assuming your CYA is below 30ppm, that is reasonable, but if it's higher than that you'll need more chlorine
    TFP Moderator
    20K Gallon 20X36 Vinyl Inground
    Hayward S244T Sand Filter with 1HP Whisperflo Pump. Liquidator C-201 and Solar Heat

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    Re: Question about using the bleach

    Thank you very much,. I just changed my typo in signature. It s 14,000 gallons. As soon as I get the more advanced test kit, I will test the CYA level to get more accurate information about how much chemical I need.
    14000 gallons, plaster, with spa, cartridge filter, high/low speed, Build in June/July 2009, 1 tablet adds 2.4 CYA
    CYA=30, TA=60, CH=320

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    mikespoolfl's Avatar
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    Mar 2011
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    Florida
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    Re: Question about using the bleach

    I would drop the Ph level to at least 7.5 first.
    Screen enclosed 17K gal 16x30 IG with Diamond Brite finish, elevated 4 jet spa with spill over, Twin dolphin fountain, Hayward Ecostar pump[ Pentair intelliflo VS, Filter Sta rite Posi-Flo PTM 100, Aqua Cal heat pump, Tiger Shark QC robotic cleaner.
    Stenner peristaltic pump model 45MPHP10, 15 gal storage tank. TF 100 with Speed Stir.

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    Re: Question about using the bleach

    OK. I am going to test the water again today (There was rain yesterday). Will adjust both PH by MA and FC.
    14000 gallons, plaster, with spa, cartridge filter, high/low speed, Build in June/July 2009, 1 tablet adds 2.4 CYA
    CYA=30, TA=60, CH=320

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