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    Plaster issues: Discoloration of Diamond Brite Midnight Blue

    Hi, thanks for your comments on this thread, I really appreciate it. The main question I have is, is there a way to test, without draining the pool if this is: - calcium scaling (removable by hot-start etc) - consequences of poor plastering (from the white spotting thread, it looks quite...
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    Plaster issues: Discoloration of Diamond Brite Midnight Blue

    Hi everyone, I am a first time poster here at TFP, but have been reading about water chemistry for a couple of years here. Our pool was renovated in the summer of 2017. It was resurfaced with Diamond Brite Midnight blue. Starting towards the middle of last summer we started noticing...