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Staining of Pool Surfaces could mean there is Metal in your pool water

You may have metal in your pool water and not even be aware it. Even the smallest amount of metal can cause staining of the pool surface. Metal stains take on the characteristics of the metal. Since they have no texture, they do not brush off, at least not easily. Here are some examples of metal staining and the characteristics of each. * Copper – green, turquoise, gray or black color stain  *Iron – brownish, rust color stain  *Manganese – dark brown, black or purple color stain. When you suspec

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