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  1. J

    A question about metals and sequestrant

    Re: Well Water I'm ok with the filtering option. When they last measure iron at the pool supplier they got 0.1 (I assume ppm) That doesn't sound like a lot but it probably doesn't measure the total iron that could precipitate. Whether I use sequest or filter I was wondering if there is a...
  2. J

    A question about metals and sequestrant

    Split from Well Water Zea3 This is what I learned from this post. Please let me know if this is wrong. Iron that is oxidized (from chlorine) will stain pool surfaces. Adding acids like ascorbic or citric acid will form a salt type molecule that lifts the iron from the pool surface. It is...