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Thread: Can't get the Chlorine levels up

  1. Back To Top    #1

    Can't get the Chlorine levels up

    we have a 27 ft round above ground pool with a DE filter - when we opened the pool on Friday it was swamp green - after a lot of bleach and PH minus we have got the water blue - but cloudy. I have used 3+ gallons of bleach - 3 bags of shock and have 2 chlorine tabs in the filter. we have changed the DE 4 times since Friday and consistently bump the filter when the pressure gets to 20. We have brushed the bottom and the sides.

    Here are the latest test results -using a stick test

    Hardness 1000
    Free Chlorine: 0/0
    PH 6.8
    Alkalinity 80
    CYA 30-90

    Suggestions are very much appreciated we are going crazy over here trying to figure it out

  2. Back To Top    #2
    Mod Squad JohnT's Avatar
    Join Date
    Apr 2007
    SW Indiana
    You haven't added anywhere near enough chlorine. What you've put in might have gotten you through one day. You have to hit it hard and keep it at the high chlorine level until the water clears.

    Read the sticky on clearing a green pool for more information Clearing a Green Pool
    TFP Moderator
    20K Gallon 20X36 Vinyl Inground
    Hayward S244T Sand Filter with 1HP Whisperflo Pump. Liquidator C-201 and Solar Heat

  3. Back To Top    #3
    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD
    It isn't a good idea to leave the PH below 7.0. I would raise that up to at least 7.0 right away. For everything else, what JohnT said is exactly right.
    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

  4. Back To Top    #4
    SeanB's Avatar
    Join Date
    Mar 2007
    Missouri City (suburb of Houston, TX)
    If you've gone from green swamp to blue, but cloudy, you are making great progress. Stock up on bleach and get it done quick so you can start enjoying that pool!

    Keep us posted.
    TFP Founder

    My Pool: 13K gal IG gunite with 7' spa, Pentair Cartridge Filter, Intellichlor IC40 SWG, Polaris 280 Cleaner, TF-100 Test Kit w/ salt test.

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