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    Question about Blue stains in pool

    Thanks for the reply! Question about the calcium scaling, is there any harm in leaving it as is and not doing the full drain and acid wash? It would take a bit of work and I'm wondering if leaving it alone is an option or if it's something that needs to be treated
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    Question about Blue stains in pool

    Hi, I'm new to the forum so not sure where to post this, I just drained my pool to clean, and our pool has had these blue stains on the walls for some time, I am wondering what these are and how best to remove/clean them while I haven't refilled my pool yet. I've shown these pictures to our...
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    Pool2.jpg

  4. Pool1.jpg

    Pool1.jpg