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Thread: Dealing with black algae (Part 1 of 2)

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    chem geek is offline PF Supporter Whibble Konker chem geek 4 stars chem geek 4 stars chem geek 4 stars chem geek 4 stars
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    Default Re: Dealing with black algae (Part 1 of 2)

    I forgot to mention this earlier, but there is another option that may work for you regarding black algae (or any algae, for that matter) and that is to use a phosphate remover. It's a last resort, is expensive if you've got high phosphate levels or regularly introduced phosphates, but it does work. In some ways you can see this as an alternative to the weekly PolyQuat 60 (and the Borates, though those are just added once and inexpensively maintained), but could let you have lower chlorine levels. By the way, for the heck of it I bought a Taylor phosphate test kit and found that my fill water is more than 500 ppb in phosphates and my pool is well over 1000 -- I estimate between 2000 and 3000 ppb if not more. I'm able to maintain my pool with chlorine alone with no algae (except some green algae inside the skimmer above the water line, but never in the pool itself).

    Richard
    Last edited by chem geek; 07-12-2008 at 09:54 PM.

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