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  1. H

    Gunite interor of pool has black patches

    Im new to a Gunite salt water pool. We always had a fresh water liner pool. When we bought the home there were black areas of the gunite that simply wouldn't come clean even with a stainless bristle brush. I have been told its from the PH being too high. I don't know if there is a process...
  2. H

    Can I just block off the old return line used for the Polaris pump?

    Hello and thanks for the help. I have about a 10 year old pool that once used a smaller additional pump to run an old Polaris. It had a flexible hose that could be attached from that pump to the single return line for that Polaris. When the Polaris pump was not in use, the flexible line would...