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Thread: Advice from Intex--laughable

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    Mod Squad JohnT's Avatar
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    Advice from Intex--laughable

    Checking out their website, and came across this gem in the FAQ:

    Question
    How do you remove algae?



    Answer
    Algae will die from chlorine with concentrations as low as 0.05ppm.
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    Well with 0 PPM CYA, that might not be too far from the truth. I read in a recent thread that even 0.5 FC with 0 CYA is too high for normal usage.
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    That's funny!! Maybe if you have one CELL of algae and catch it before it can reproduce....

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  4. Back To Top    #4
    Eskimo - The intex site says 0.05, or 5 hundredths of a ppm. Your post says 0.5, or 5 tenths of a ppm!! different by a factor of 10!!

    8000 gallon 20' x 48" round vinyl frame pool, 12" sand filter (don't have the specs on the pump), TF100 test kit
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    "Shock" is a process, not a product!

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    MikeInTN's Avatar
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    Quote Originally Posted by The Mermaid Queen
    Eskimo - The intex site says 0.05, or 5 hundredths of a ppm. Your post says 0.5, or 5 tenths of a ppm!! different by a factor of 10!!
    It probably got changed in the translation between Chinese and English....what's a factor of 10 to a Chinese factory worker?
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    Technical diversion for those who are interested:

    They aren't out of their minds when they say FC of 0.05 can kill algae, they are simply talking about something that is irrelivant in practice. FC of 0.05 with CYA at 0 has the same active strength as FC of 1.5 with CYA of 30. Which is to say that it can kill algae if there was any way of maintaining that level. The problem with really low levels is that they get used up almost instantly and then there is nothing left and no way to replenish the FC quickly enough. The first cell of algae would die, but if a second cell of algae fell in the pool there wouldn't be any FC left and it would do just fine.
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  7. Back To Top    #7
    Quote Originally Posted by The Mermaid Queen
    Maybe if you have one CELL of algae and catch it before it can reproduce....
    Quote Originally Posted by JasonLion
    The first cell of algae would die, but if a second cell of algae fell in the pool there wouldn't be any FC left and it would do just fine.
    HEY! so I sometimes DO know what I am talking about!! 8) 8) 8)

    8000 gallon 20' x 48" round vinyl frame pool, 12" sand filter (don't have the specs on the pump), TF100 test kit
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    Quote Originally Posted by MikeInTN
    It probably got changed in the translation between Chinese and English....what's a factor of 10 to a Chinese factory worker?
    About 5 lbs of lead.
    Hotrod30

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    Algae will die from chlorine with concentrations as low as 0.05ppm.

    It's the whole truth but the catch here is, you have to be able to maintain that 0.05ppm Chlorine without it going to 0. I suppose they do not mention how long it will take or how strong are the algae outbreak. Very misleading but I belief in it though very impractical (correct me if I'm wrong).
    8,000 gal IG concrete & tiled lap pool, 1/2 hp pump, 24" sand filter, SWG Auto Clean, whole pool under shed, 3 X 2ft waterfall one end overflow the other end. TF100 Testkit. 80 F Water whole year round.

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