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Thread: Using hth dual action clorinating tablets

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    rogerbrks's Avatar
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    Using hth dual action clorinating tablets

    I need to get my CYA up and decided to use tablets. I notice that there is 1.5% of Copper Sulfate pentahydrate in the ingredients. What effects will this have on my water chemistry and how will it effect my plaster?
    21,200 gal IG gunite, CL 580 sqft Cartridge filter, aqua pure salt system, polaris 480-blue&white, Jandy PDA Remote, (4) Jandy Deck Jets

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    Re: Using hth dual action clorinating tablets

    it's a small amount of copper in each tablet but over time it will build up. It is also not a chelated copper so the chance of staining is much greater. I would just add the needed CYA and be done with it particularly with a SWG. It's going to be your most cost effective way to do it.

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    rogerbrks's Avatar
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    Re: Using hth dual action clorinating tablets

    Thanks Waterbear,
    Would the staining be a rust stain or would it be different?
    21,200 gal IG gunite, CL 580 sqft Cartridge filter, aqua pure salt system, polaris 480-blue&white, Jandy PDA Remote, (4) Jandy Deck Jets

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    Re: Using hth dual action clorinating tablets

    IT would be copper stains in the pool (blue, grey, black or tan and very difficult to remove in most cases) or it would be green hair on the swimmers!
    copper is what causes green hair, period!

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