Become a TFP Supporter Pool Math Forum Rules Pool School
Results 1 to 11 of 11

Thread: ph and chlorine level

  1. Back To Top    #1

    Join Date
    Mar 2012
    Location
    spain
    Posts
    48

    ph and chlorine level

    hi
    just filled pool about 3 days ago
    now ph seems to high and chlore to low
    I have 4 chlore tablet inside

    I would say the ph is over 8.2 and chlore is about between 0.3 - 0.6

    http://s9.postimg.org/iwqn76bem/20140313_170320.jpg

    ph needs to be between 7.2 and 7.8 right?
    and chlore between 1.0 and 3.0 right?

    so whare do I start?

  2. Back To Top    #2
    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,879

    Re: ph and chlore level

    Yes, you should lower the PH down to 7.8 or lower. If you have freshly applied plaster you will want to lower it to 7.2, while if you have a vinyl or fiberglass pool I recommend lowering PH to 7.6 to 7.7.

    If you have freshly applied plaster, you will be lowering the PH quite frequently, most likely daily, for roughly the first month. After that the rate of PH increase will slow down and continue at a lower rate for up to a year.

    The desired FC level depends on your current CYA level, see the chart in Pool School.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

  3. Back To Top    #3

    Join Date
    Mar 2012
    Location
    spain
    Posts
    48

    Re: ph and chlore level

    I cannot find the pool school?

    also what does FC and CYA mean?

  4. Back To Top    #4
    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Location
    Tucson, AZ
    Posts
    37,389

    Re: ph and chlore level

    There are 2 buttons on every page that take you to Pool School. I would suggest some reading there will answer a lot of your questions. Start with these:

    ABCs of Water Chemistry
    Recommended Pool Chemicals
    How to Chlorinate Your Pool
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
    If you found TFP helpful and we saved you money ... Become a TFP Supporter!

  5. Back To Top    #5
    bridgman's Avatar
    Join Date
    Mar 2014
    Location
    Bowmanville, ON Canada
    Posts
    461

    Re: ph and chlorine level

    Scroll up to the top of the page, button is in the top right hand corner.
    Cedar hot tub, 680 US gallons - Snorkel wood-burning heater, canoe paddle, "offline" Intex 1000 GPH pump/filter with skimmer

  6. Back To Top    #6

    Join Date
    Mar 2012
    Location
    spain
    Posts
    48

    Re: ph and chlorine level

    ok so I start with getting the ph correct

    the pool is 40000-42000 liters

    so that's lets say 40m3 correct?

    this is the ph reducer

    so if I understand correct to get the ph down 0.1 I would need 5 x 40 = 200ml correct?



    so howmuch do I need to lowe it judging by this? start with 1 liter or so?


  7. Back To Top    #7
    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Location
    Tucson, AZ
    Posts
    37,389

    Re: ph and chlorine level

    Are you using PoolMath?
    You need to know your TA level in order for it to tell you how much acid you need to go from 8.2 to 7.5 say.

    I have no idea how you came up with 200 ml for a 0.1 reduction ... it is not that easy.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
    If you found TFP helpful and we saved you money ... Become a TFP Supporter!

  8. Back To Top    #8

    Join Date
    Mar 2012
    Location
    spain
    Posts
    48

    Re: ph and chlorine level

    that's what the bottle says according to my calculations

    if I understand correct for ever m3 to get the ph down 0.1 need 5ml so I have 40m3 so that's 5 x 40 = 200ml for down 0.1

    I am over 8.2 I think so I need atleast 0.5 down that's 200 x 5 = 1 liter


    this PoolMath? I have no idea what and where I need to put something

    first I don't even know what my ph is? according the foto its over 8.2?

  9. Back To Top    #9
    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Location
    Tucson, AZ
    Posts
    37,389

    Re: ph and chlorine level

    I can not open your picture, but am pretty sure you are going to need a better test kit. Maybe this thread will help you find one: http://www.troublefreepool.com/threa...in-Mucia-Spain

    Have you looked at PoolMath? Put your size at the top left, enter your "now" pH and TA and your "target" pH and it tells you how much acid is needed.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
    If you found TFP helpful and we saved you money ... Become a TFP Supporter!

  10. Back To Top    #10

    In the Industry

    duraleigh's Avatar
    Join Date
    Apr 2007
    Location
    Sebring, Florida
    Posts
    30,077

    Re: ph and chlorine level

    Speed, above all else, we are a teaching forum. We can teach you to manage your own pool if you have the time and willingness to learn

    Pool School is the place to start learning about chemistry and what you need to know to manage your pool. It will not be a one-day event........it will likely be a couple of weeks before you have the knowledge and testing capability.

    If you are in a bigger hurry than that (sounds like it) you will probably do well getting professional help to manage your pool.

    Finding the Pool School button in the upper corner of EVE$RY page will be a good start and then reading the articles jblizzle suggested will start you on your way.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

  11. Back To Top    #11
    BoDarville's Avatar
    Join Date
    Jun 2012
    Location
    DFW, Texas
    Posts
    3,840

    Re: ph and chlorine level

    The Pool School button is located on the upper-right of every page and looks like this: PoolSchool.jpg. There is also a selection on the main menu band.

    Quote Originally Posted by duraleigh
    ...reading the articles jblizzle suggested will start you on your way.
    I second that. I will even suggest this one as well - http://www.troublefreepool.com/conte...art-slam-shock - which will address the next question...

    Quote Originally Posted by speed
    and chlore between 1.0 and 3.0 right?
    Nope. The proper amount of chlorine depends on the CYA level.
    Gold Supporter, TFP Lifetime Supporter, 26,680 gal Plaster IGP 3.5 - 10' depth / Attached Waterfall Spa, Manually Chlorinated, Triton Sand Filter, 1.5 HP * 1.1 SF = 1.65 SFHP 1-speed Pentair WhisperFlo WF-26 Pump, 400K BTU NG Teledyne Laars Series One Heater, Polaris 360, Test Kit Comparison, Chlorine/CYA Chart, SLAMing Your Pool, OCLT
    A good test kit is an investment, not an expense.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •