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Thread: Salt Pool With No Free Chlorine

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    Salt Pool With No Free Chlorine

    I am a new member, and I have some problems with chlorine levels. I recently bought the TF-100 test kit. This is my first year with a salt generator. I can't seem to get some if any FC. I have shocked the pool over a 7 day period with 20+ pounds of shock. Water was cloudy but now is clear. I have also been running the Salt Generator around the clock for 10 Days.
    18x36 vinyl pool 20,000 gallons, cartridge filter, aquabot cleaner. Some help would be gratefully appreciated.
    Thanks, jim
    FC 0.5
    CC 0.5
    TA 110
    CH 290
    CYA 40
    Ph 7.2
    19400 Gallons, Vinyl In Ground, Starite Cartridge Filter,

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    Mod Squad JohnT's Avatar
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    Re: Salt Pool With No Free Chlorine

    Welcome!

    What generator do you have? What is your salt level?

    Try taking a water sample from the return to see if you are producing chlorine.
    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

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    Re: Salt Pool With No Free Chlorine

    Circupool RJ45 Salt level 3800ppm
    19400 Gallons, Vinyl In Ground, Starite Cartridge Filter,

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    Mod Squad woodyp's Avatar
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    Re: Salt Pool With No Free Chlorine

    Your CYA is about half of what it SHOULD be for a SWG. What kind of "shock" have you been using?
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
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    Re: Salt Pool With No Free Chlorine

    HTH Super Shock And Swim. Tonight I put in Clorox Bleach. If the SWG's cell is cloudy, is that enough to say it is generating chlorine? I will increase my CYA.
    Thank You, Thank You For The Help. It is greatly appreciated.
    19400 Gallons, Vinyl In Ground, Starite Cartridge Filter,

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    JasonLion's Avatar
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    Re: Salt Pool With No Free Chlorine

    Yes, when the cell is full of bubbles it is generating chlorine.
    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

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    Re: Salt Pool With No Free Chlorine

    I put 4lbs of HTH Stabilizer in the pool at 12:15p. I measured the CYA tonight and it increased to about 50. I will check CYA tomorrow again to see if it moves anymore. I will continue to put CYA in as needed. Should I shoot for 80ppm? The SWG is still set at Super Chlor 24 hours a day. I took water from the return using a funnel and hose, there is chlorine. How much chlorine should I see using the Taylor OT chlorine test. It appears to be .5-1, if i let it sit for a couple of minutes it will get more yellow. Is that normal Another thing I didn,t mention is that my CYA was around 65 when the pool was opened up for the summer (5/1), when the pool went cloudy about 10 days ago the CYA was 0. If anybody looked at how clear my water is they would think everything is perfect. That is what is so puzzling to me.
    FC 0.5
    CC 0.5
    TA 110
    CH 290
    CYA 50
    Ph 7.2
    Thanks For The Help
    jim
    19400 Gallons, Vinyl In Ground, Starite Cartridge Filter,

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    Mod Squad jblizzle's Avatar
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    Re: Salt Pool With No Free Chlorine

    Be careful. The granular CYA can take a week to show up on the test.

    Not site how your cya could have dropped so much without huge CC numbers.

    Posted with Tapatalk ... sorry if I sound short ... hate typing on phone
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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  9. Back To Top    #9

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    Re: Salt Pool With No Free Chlorine

    We got home from vacation on Saturday and the pool was cloudy. FC 0.0 CC 0.0 TC 0.05 TA 100 CH 370 CYA 40 pH7.3
    I set the pump to run 24hr, and put the SWG to 90% and added 3ea. of 182 oz Bottles Of Chlorox. This brought the FC to 15. Sunday morning the water was not as cloudy FC was 3.0. I added 2ea.of 182 oz Bottles Of ULTRA Chlorox FC now 12.5. Monday morning the water was clear.
    Monday Evening levels are:
    20,000 Gallon In Ground Pool
    FC 1.0
    CC 0.5
    TC 1.5
    TA 100
    CH 410
    CYA 40
    pH 7.3

    Any suggestions for my next step would be gratefully appreciated.
    Thanks, jim
    19400 Gallons, Vinyl In Ground, Starite Cartridge Filter,

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    Mod Squad jblizzle's Avatar
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    Re: Salt Pool With No Free Chlorine

    Follow the Shocking Your Pool process ... generally best done with the SWG off so you can understand the FC usage.

    EDIT: I also see that you appear not to have raised your CYA as recommended. Do that AFTER you pass the 3 tests to stop the shock process
    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
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  11. Back To Top    #11

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    Re: Salt Pool With No Free Chlorine

    Thanks for the information, I will follow the shock procedure and get back when I finish shocking.
    Thanks Again jim
    19400 Gallons, Vinyl In Ground, Starite Cartridge Filter,

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