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Thread: TF100 first test, clear/green tint water

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    TF100 first test, clear/green tint water

    The water is clear but has a green tint to it, I just got my new test get and want to get started getting ready for spring. I will do the overnight test for FC tonight.

    FC 4.5
    CC 0
    PH 7.5
    TA 30-40
    CH 110
    CYA 20

    Water temp 47 degrees
    15k freeform shotcrete sport pool 3.5-5-4, hayward swimclear c4030, 1.5hp hayward Northstar pump, polaris 280 with hayward booster, hayward turbo cell swg

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    Mod Squad Bama Rambler's Avatar
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    Re: TF100 first test, clear/green tint water

    Clear green indicates metals in the water. Do you have a history of metals?
    Dave J. TFP Moderator
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    Re: TF100 first test, clear/green tint water

    The pool is only about a year old, have not had any problems with metal. The chlorine got very low, down to almost nothing about a month ago, after being neglected throughout December. I had made the mistake of thinking it was too cold to worry about.
    15k freeform shotcrete sport pool 3.5-5-4, hayward swimclear c4030, 1.5hp hayward Northstar pump, polaris 280 with hayward booster, hayward turbo cell swg

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    JasonLion's Avatar
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    Re: TF100 first test, clear/green tint water

    Usually clear transparent green water is metals, but it is possible for it to be algae.
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    Re: TF100 first test, clear/green tint water

    What should I do to try to clear it up??
    15k freeform shotcrete sport pool 3.5-5-4, hayward swimclear c4030, 1.5hp hayward Northstar pump, polaris 280 with hayward booster, hayward turbo cell swg

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    Mod Squad jblizzle's Avatar
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    Re: TF100 first test, clear/green tint water

    Start by raising the FC up to shock level and performing the OCLT. If you fail, that confirms the presence of something organic in the water and then you should continue the shock process.
    Jason, TFP Moderator
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    Re: TF100 first test, clear/green tint water

    So shocking would fix the metal as well? I will do the oclt tonight and report back.
    15k freeform shotcrete sport pool 3.5-5-4, hayward swimclear c4030, 1.5hp hayward Northstar pump, polaris 280 with hayward booster, hayward turbo cell swg

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    Mod Squad jblizzle's Avatar
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    Re: TF100 first test, clear/green tint water

    No. I was only suggesting the OCLT to help determine if the green is organic or not. If you have a large FC loss overnight, that points to algae and not metal and then you would perform the shock process. If you do not have a large FC loss, that reduces the odds of the green being due to algae and then would point you to dealing with the metals ... By using a sequestrant.
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    Re: TF100 first test, clear/green tint water

    Last night FC 4.5 this morning it is at 3.5-4 it was almost clear at 3.5 completely clear at 4.

    If it is not some type of algae, where would metal in the pool come from I haven't filled it or added water lately.
    15k freeform shotcrete sport pool 3.5-5-4, hayward swimclear c4030, 1.5hp hayward Northstar pump, polaris 280 with hayward booster, hayward turbo cell swg

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    Mod Squad Bama Rambler's Avatar
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    Re: TF100 first test, clear/green tint water

    You technically passed the OCLT, but you should raise it to shock level FC and run it again. Just to be sure.
    You didn't list CC's in your OCLT and that's part of it.

    Do you have a lot of trees around the pool that's dropped leaves in it?

    With the water temp at 47F I suspect your swg isn't making chlorine so how are you keeping the FC up?
    Dave J. TFP Moderator
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    Re: TF100 first test, clear/green tint water

    Yes lots of trees, the swg is not generating, I use a floater with chlorine pucks.
    15k freeform shotcrete sport pool 3.5-5-4, hayward swimclear c4030, 1.5hp hayward Northstar pump, polaris 280 with hayward booster, hayward turbo cell swg

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    Mod Squad Bama Rambler's Avatar
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    Re: TF100 first test, clear/green tint water

    Some chlorine tablets have copper in them. Look and see if it's a multi tablet (i.e. 3-in-1, 4-in-1, etc.). Also, look and see if copper is listed as an ingredient.
    Dave J. TFP Moderator
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    Re: TF100 first test, clear/green tint water

    You are awesome, will check it out.
    15k freeform shotcrete sport pool 3.5-5-4, hayward swimclear c4030, 1.5hp hayward Northstar pump, polaris 280 with hayward booster, hayward turbo cell swg

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    Re: TF100 first test, clear/green tint water

    The tabs say active ingredient: trichloro-s-triazinetrione
    15k freeform shotcrete sport pool 3.5-5-4, hayward swimclear c4030, 1.5hp hayward Northstar pump, polaris 280 with hayward booster, hayward turbo cell swg

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    Mod Squad jblizzle's Avatar
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    Re: TF100 first test, clear/green tint water

    What brand? What else is listed on the container?
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    Re: TF100 first test, clear/green tint water

    Leslies, 3 inch jumbo tabs.

    Trichloroisocyanuric acid, dry
    15k freeform shotcrete sport pool 3.5-5-4, hayward swimclear c4030, 1.5hp hayward Northstar pump, polaris 280 with hayward booster, hayward turbo cell swg

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    Mod Squad jblizzle's Avatar
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    Re: TF100 first test, clear/green tint water

    OK. Those do not have the copper in them.

    As Bama suggested, raise your FC up to ~10ppm today and perform the OCLT again.
    Jason, TFP Moderator
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    Re: TF100 first test, clear/green tint water

    Liquid bleach? Any brand in particular? I'll go buy some right now and get this going.
    15k freeform shotcrete sport pool 3.5-5-4, hayward swimclear c4030, 1.5hp hayward Northstar pump, polaris 280 with hayward booster, hayward turbo cell swg

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    Mod Squad jblizzle's Avatar
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    Re: TF100 first test, clear/green tint water

    Either Bleach or liquid chlorine ... same stuff the LC from pool stores is stronger 10-12%, but the plain old 6% or 8.25% bleach is usually cheaper per ppm of FC.

    Just make sure there is no additive in the bleach ... like smells or splash-free, etc
    Jason, TFP Moderator
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    Re: TF100 first test, clear/green tint water

    Bleach added, will test in a few hours
    15k freeform shotcrete sport pool 3.5-5-4, hayward swimclear c4030, 1.5hp hayward Northstar pump, polaris 280 with hayward booster, hayward turbo cell swg

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