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

Thread: CLEAR green water after adding PH Minus

  1. Back To Top    #1

    CLEAR green water after adding PH Minus

    Hello,

    pool 28000 gallons, vinyl FC very high, TA was almost 0. PH was VERY high, off the charts.

    I just opened up my pool. Was very clear and blue. Shocked it a few times thought life was good.
    I saw PH was high so I added PH minus. and it turned green, CLEAR green, in an hour.

    went to pool store they gave me what I should do. I needed 42 lbs of sodium bicarbonate. I got that in good range.
    I took chlorine tabs out as chlorine is off the charts. (But it does not smell strong at all, people have swam in it and no eye complaints or skin)

    I am getting frustrated....Could this me copper?

    Please help.... I have had a few pools in my time and NEVER had this occur.
    Thanks
    Tom

  2. Back To Top    #2

    Join Date
    Aug 2010
    Location
    Dallas, TX
    Posts
    4,052

    Re: CLEAR green water after adding PH Minus

    High chlorine will not make a chlorine smell. You get chlorine smell when your CCs are high, when chlorine is working hard to kill organics. From what I have seen, you are more likely to smell that chlorine smell when there's not enough chlorine, not when there's too much.
    Built in 1957 44,000 gallon in-ground, Wet Edge Primera Stone in Sky Blue, Intelliflo VF Pump, 600 lb. Pentair Triton II TR-100 Sand Filter, CircuPool RG 60 Plus SWG, TF-100 test kit
    If TFP has helped you, please click to SUPPORT TFP!

  3. Back To Top    #3

    In the Industry

    duraleigh's Avatar
    Join Date
    Apr 2007
    Location
    Sebring, Florida
    Posts
    30,082

    Re: CLEAR green water after adding PH Minus

    Welcome to the forum Without test results, we're sort of just flailing. Can you post some current ones?
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

  4. Back To Top    #4
    Mod Squad JohnT's Avatar
    Join Date
    Apr 2007
    Location
    SW Indiana
    Posts
    9,089

    Re: CLEAR green water after adding PH Minus

    Welcome to TFP!

    With high chlorine, you can't trust your pH test results.

    It could be metals in the water. Do you use algaecide (if so, what kind), a mineral cartridge or the tabs from Walmart?
    TFP Moderator
    20K Gallon 20X36 Vinyl Inground
    Hayward S244T Sand Filter with 1HP Whisperflo Pump. Liquidator C-201 and Solar Heat

  5. Back To Top    #5

    Re: CLEAR green water after adding PH Minus

    thanks, but won't high chlorine burn eyes? Skin?
    What is CC??

  6. Back To Top    #6

    Re: CLEAR green water after adding PH Minus

    I am working on getting those will retest again today.

  7. Back To Top    #7

    Re: CLEAR green water after adding PH Minus

    no algaecide put in yet....

  8. Back To Top    #8

    Join Date
    Aug 2010
    Location
    Dallas, TX
    Posts
    4,052

    Re: CLEAR green water after adding PH Minus

    Quote Originally Posted by tlefco
    thanks, but won't high chlorine burn eyes? Skin?
    What is CC??
    Not necessarily, although you shouldn't be swimming in the pool at shock levels.

    pool-school/pool_water_chemistry

    The pool school is your friend. If you can get the concepts in there, it'll make taking care of your pool a whole lot easier. It will also help you understand what is what, so that if you smell, see, or feel certain things in your pool you'll know what the issue is and how to resolve them.

    Even when my chlorine creeps up too high in my pool, there is never a chlorine smell, no burning eyes, etc.
    Built in 1957 44,000 gallon in-ground, Wet Edge Primera Stone in Sky Blue, Intelliflo VF Pump, 600 lb. Pentair Triton II TR-100 Sand Filter, CircuPool RG 60 Plus SWG, TF-100 test kit
    If TFP has helped you, please click to SUPPORT TFP!

  9. Back To Top    #9
    Voodoo_Pool's Avatar
    Join Date
    May 2011
    Location
    On the border AR/TN
    Posts
    82

    Re: CLEAR green water after adding PH Minus

    Welcome to the forum.

    From Pool School:

    Myth #2: Chlorine pools smell bad
    Yes, Mr. Honest-Pool-Store-Man, I agree chlorine pools smell awful! How much for that alternative NatureBaquaFrog2 system? A properly maintained chlorine pool has virtually no smell at all. The "chlorine odor" actually comes from combined chloramines (CCs). CCs are formed as the free chlorine is 'used up' by organics in the water. If you are only testing for 'total chlorine' you may think your chlorine levels are fine. But CCs are no good at sanitizing your water, and in fact you need to get rid of them. The sun also burns them off, but you need to bring your water up to shock level and hold it there until you have 0ppm CCs.

    Myth #3: Rashes, swimmer's ear, and red stinging eyes are caused by high levels of chlorine
    Ouch! Stupid chlorine in the community pool caused my baby to get a rash on his tushy! Rashes and swimmer's ear are usually caused by bacteria. Many times the rashes develop under the bathing suit, where the environment is warm and damp. Same thing for swimmer's ear. The bacteria get into the ear, water is trapped with it, and the bacteria thrive. To help prevent rashes, rinse promptly after getting out of the pool. You can use commercial drops, or drops made from one part alcohol and one part vinegar before and after swimming to help prevent swimmer's ear. You also need to shock your pool to kill the bacteria and maintain a safe, sanitary environment.

    My eyes! My eyes! Most of the time, red stinging eyes are caused either from improper pH or high CC levels. Your tears have a pH of 7.4, and any value too far either higher or lower causes irritation. Again, the presence of CCs indicate that you need to shock the water.

    CC
    Combined Chlorine
    The stuff that smells like chlorine and burns your eyes that you get rid of by shocking your pool.

    Hope this helps. By the way, how are you testing your water?
    22,000 gallons "L" shaped with spillway spa; Hayward 4820 DE; IG Vinyl; 2000 ppm salt; 50 ppm Borates; liquid chlorine; Polaris w/ booster; TF-100 Test Kit w/SpeedStir

  10. Back To Top    #10

    Re: CLEAR green water after adding PH Minus

    using HTH test strips, but then took sample to local pool place.
    Of course my daughter is home sleeping with the darn data sheet!!!

  11. Back To Top    #11
    Voodoo_Pool's Avatar
    Join Date
    May 2011
    Location
    On the border AR/TN
    Posts
    82

    Re: CLEAR green water after adding PH Minus

    Quote Originally Posted by tlefco
    using HTH test strips, but then took sample to local pool place.
    Both of these are notoriously unreliable, as you can read on this forum. I highly recommend a quality test kit such as from http://tftestkits.net/splash-page.html. A quality test kit will enable you to take control of your pool's chemistry, thus saving money on added chemicals and time from driving to the pool store. It sounds like time is something you may not have a lot of in the 'extra' column.
    22,000 gallons "L" shaped with spillway spa; Hayward 4820 DE; IG Vinyl; 2000 ppm salt; 50 ppm Borates; liquid chlorine; Polaris w/ booster; TF-100 Test Kit w/SpeedStir

Posting Permissions

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