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Thread: Chlorine

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    Russo221's Avatar
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    Chlorine

    Question: someone told me that if you have too much chlorine that will cause you to get algae..... Is this true?

    15,000 gal 16x32 above ground, aqua pro 2 hp cartridge filter, Hayward skimmer

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    Mod Squad jblizzle's Avatar
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    Re: Chlorine

    No. That does not make any sense.
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    Re: Chlorine

    Too much stabilizer, yes. But not too much chlorine.
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    Re: Chlorine

    Yea I thought so, just wanted to make sure, when you say to much stabilizer, how much would be too much?

    15,000 gal 16x32 above ground, aqua pro 2 hp cartridge filter, Hayward skimmer

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    Re: Chlorine

    Too much for the amount of chlorine you have. Chart in sig.
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    Mod Squad jblizzle's Avatar
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    Re: Chlorine

    The required FC level is a function of your CYA level according to this: FC/CYA Chart
    Jason, TFP Moderator
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    Re: Chlorine

    Just checked my CYA and it came to 80. That's pretty high huh? I think I started out at 50, could this be why I'm getting algae again?

    15,000 gal 16x32 above ground, aqua pro 2 hp cartridge filter, Hayward skimmer

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    Re: Chlorine

    Are you using chlorine tablets or powdered bags of "shock".
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    Re: Chlorine

    Liquid chlorine

    15,000 gal 16x32 above ground, aqua pro 2 hp cartridge filter, Hayward skimmer

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    Re: Chlorine

    How are you testing for CYA? It won't go up without adding some.


    Look at the chart referenced above, and read this:Pool School - ABCs of Pool Water Chemistry

    If your chlorine level was below the minimum of 6, it would cause algae to take hold.
    26' X 52" Intex Ultra Frame. Intex Sand Filter
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    You can lead a horse to (clear) water, but you can't force him to swim in it!

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    Re: Chlorine

    That's the thing, I keep my chlorine level high, in fact it's at 11 right now, all other levels are where they should be.... I tested the CYA with the test kit....

    15,000 gal 16x32 above ground, aqua pro 2 hp cartridge filter, Hayward skimmer

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    Re: Chlorine

    Actually I used chlorine tablets in the beginning so I think that's what brought my CYA up

    15,000 gal 16x32 above ground, aqua pro 2 hp cartridge filter, Hayward skimmer

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    Re: Chlorine

    You are correct. Each tab adds almost as much CYA as it does FC. But the CYA doesn't go away so...
    Bob - Palm Beach by San Juan Pools. approx 5000 gals., Pentair 320 cartridge filter (all new guts installed by me), Goldline SWG, 'New to me' Kreepy Krauly Sand Shark, Intermec 104 Timer Test kit: TF-100 w/Speed Stir

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    Re: Chlorine

    I recently went back to the tablets to keep the chlorine steady then when it gets low I add the liquid chlorine...... Should I stop using the tablets?

    15,000 gal 16x32 above ground, aqua pro 2 hp cartridge filter, Hayward skimmer

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    Re: Chlorine

    Yes! They are adding CYA and messing with pH. There is a spot at the bottom of the Pool Math page that goes into detail about it.
    Bob - Palm Beach by San Juan Pools. approx 5000 gals., Pentair 320 cartridge filter (all new guts installed by me), Goldline SWG, 'New to me' Kreepy Krauly Sand Shark, Intermec 104 Timer Test kit: TF-100 w/Speed Stir

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    Re: Chlorine

    And I just checked the CC and it read that there is none, in assuming that can't be good

    15,000 gal 16x32 above ground, aqua pro 2 hp cartridge filter, Hayward skimmer

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    Re: Chlorine

    If your pool was 5000 gals like mine. Adding 8oz of trichlor (approx 1 puck) will raise FC by 11, raise CYA by 6.7, lower pH by 0.59, and raise Salt by 9.

    - - - Updated - - -

    CC of 0 is perfect. Did you mean FC?
    Bob - Palm Beach by San Juan Pools. approx 5000 gals., Pentair 320 cartridge filter (all new guts installed by me), Goldline SWG, 'New to me' Kreepy Krauly Sand Shark, Intermec 104 Timer Test kit: TF-100 w/Speed Stir

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    Re: Chlorine

    Mine is 15,000 gallons cartridge filter, not saltwater

    15,000 gal 16x32 above ground, aqua pro 2 hp cartridge filter, Hayward skimmer

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    Re: Chlorine

    That's easy. Divide my numbers by 3.
    Bob - Palm Beach by San Juan Pools. approx 5000 gals., Pentair 320 cartridge filter (all new guts installed by me), Goldline SWG, 'New to me' Kreepy Krauly Sand Shark, Intermec 104 Timer Test kit: TF-100 w/Speed Stir

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    Re: Chlorine

    Welcome to the TFP Forum! You might go here: Pool School - Getting Started. That way we can have a better idea of what you're working with - and we'll help you figure it out.
    16X32 AB, Pentair SD filter, 3/4hp Pentair Optiflo, CircuPool RJ30+ swg, TF 100

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