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Thread: Will pH come down?

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    Will pH come down?

    Just noticed I ran out of Chlorine in my inline Tri-chlor feeder. FC @ 0, pH at 8.0. Added bleach to bring it to 2.0, added tabs. Should I give it a day before I drop acid in to drop the pH?
    ~12k gallon, cartridge filter, IG, plaster, 2hp Pentair Whisperflo WF-28, 150gpm filter

    Pics: http://imgur.com/a/HqaPq#0

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    svenpup's Avatar
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    Nov 2009
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    Sacramento, CA
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    Re: Will pH come down?

    Short answer; no. Bleach does not drop pH like tri-chlor does. Adjust pH now.

    The longer answer involves some questions. If you are targeting FC of 2 and you are using pucks, it sounds like you do not understand the relationship between CYA and FC. What test kit are you using? What is your CYA? Have you read PoolSchool?

    If not, here is some suggested reading:

    What is TFPC?
    ABC's of Pool Water Chemistry
    Recommended Pool Chemicals
    Basic Pool Care Schedule
    How to Chlorinate Your Pool
    Chlorine CYA Chart
    Recommended Levels
    SLAMing Your Pool
    PoolMath
    Test Kits Compared
    TFP Method Advanced Intermediate
    • 17,500 gallons - In Ground - Plaster - Hayward Swimclear 3020 Cartridge Filter - Sta-Rite Max-E-Glas Main Pump upgraded with A.O. Smith B2980 E-Plus New Centurion Two-Speed Motor - Polaris 280 Cleaner with Polaris PB4-60 Booster Pump - TightWatt2 Timer - Taylor K-2006 Test Kit - Pool Pilot Digital Nano SWCG

    Helpful Links: Pool School, BBB for Beginners, How to Shock (hint...it's a process not a product), Chlorine/CYA Chart, Jason's Pool Calculator

  3. Back To Top    #3

    Re: Will pH come down?

    Thanks. I'm not targeting 2, that's just all the bleach I had on me at the moment. I like it to be around 4. I'm using a Taylor test kit. I haven't checked CYA.
    ~12k gallon, cartridge filter, IG, plaster, 2hp Pentair Whisperflo WF-28, 150gpm filter

    Pics: http://imgur.com/a/HqaPq#0

  4. Back To Top    #4

    Join Date
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    Re: Will pH come down?

    Definitely check your CYA. If you've been using pucks it could be off scale which effects the amount of FC you need to maintain.
    12000 Gallon IG Plaster built 2/15/2014. Jandy 340 sg ft 127 gpm filter, Jandy 1 HP stealth pump. Circupool RJ-45 SWG (overkill). TF-100 with Speed Stir.

  5. Back To Top    #5

    Re: Will pH come down?

    Quote Originally Posted by jmbradwell View Post
    Definitely check your CYA. If you've been using pucks it could be off scale which effects the amount of FC you need to maintain.
    CYA is 50.
    ~12k gallon, cartridge filter, IG, plaster, 2hp Pentair Whisperflo WF-28, 150gpm filter

    Pics: http://imgur.com/a/HqaPq#0

  6. Back To Top    #6
    Isaac-1's Avatar
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    May 2010
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    Re: Will pH come down?

    With a CYA of 50 your MINIMUM FC level should be 4 ppm

    http://www.troublefreepool.com/conte...art-slam-shock
    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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