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  1. C

    Is this limescale, calcium, spalling, efflorvescence on flagstone? How do I remove

    yes, we just had a lot of rain so it's a little worse than usual
  2. C

    Is this limescale, calcium, spalling, efflorvescence on flagstone? How do I remove

    I'm new to the forum, thanks for advice in advance. I have a retaining wall on one side of the pool. It has a flagstone face and I'm getting a little weaping of moisture and a build up of limescale or whatever the white mineral build up is. I've attached a picture to show the problem. Any...