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Thread: High level of copper

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    Default High level of copper

    Hi, We just bought a house with an in-ground pool. It is about 22,000 gallons. We ran some test at the local pool store and the level of copper in this water shows 5ppm, which I was told is very high. Is there a way to remove copper from the water or should we drain the pool? If we drain the pool, how do we clean the pool (fiberglass) so that the copper is actually removed? We will replace the copper pipe in the ground as well.

    Thank you.

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    BigDave's Avatar
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    Question Re: High level of copper

    Do you have stains or other issues from the copper? Anybody's hair turn green? If it's not a problem, why fix it?
    12'x24' oval 7.7K gal AG vinyl pool; ; Hayward S270T sand filter; Hayward EcoStar SP3400VSP pump; hrs; K-2006; PF:16

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    waterbear is offline PF Support Team Sniggle Mechanic waterbear 4 stars waterbear 4 stars waterbear 4 stars waterbear 4 stars
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    Default Re: High level of copper

    Quote Originally Posted by BigDave View Post
    Do you have stains or other issues from the copper? Anybody's hair turn green? If it's not a problem, why fix it?
    5 ppm is way too high and if it is not a problem now it will be. Does the pool have a heater? Heat exchangers are often a source of copper when the pool is improperly maintained and the pH drops too low. My guess is that the pool had been kept on trichlor tabs and the pH and TA was not monitored and the pH had crashed for an extended period of time. Copper levels should ideally be 0 ppm and anything above about .5 ppm can cause problems. When copper is used as an additive for algae control (not a good idea) added from an ionizer the upper limit considered acceptable is 1 ppm and even that will cause staining and other problems.
    11.75'x23.75' kidney 6.5K gal IG fiberglass pool/300 gal acrylic spillover spa combo; Aqualogic automation/SWCG; Pentair Clean and Clear 150 cart filter; 1.5 hp uprated 2 spd Pentair Whisperflo pump; PF:17
    Retired pool store and commercial pool maintenance guy.

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    Default Re: High level of copper

    waterbear: Spank -> Ouch! -> Got it.

    topjobs: Are you confident of that value? I apologize; I presumed the PS had fouled / mis-read the test. Waterbear is right, of course. Is your pH low now? Is there evidence it has been low historically ( an in-line chlorinator, etched surfaces, metal corrosion ). The copper came from somewhere, you may need to look for damaged equipment.
    12'x24' oval 7.7K gal AG vinyl pool; ; Hayward S270T sand filter; Hayward EcoStar SP3400VSP pump; hrs; K-2006; PF:16

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