Fastest and Easiest way to remove Calium/water from block cement walls

  3 answers
  • Lynn Lynn on Apr 21, 2017

    Do you mean calcium water stains?

  • Sharon Sharon on Apr 23, 2017

    I would use CLR cleaner. Then paint with one of the paints to prevent water penetration.

  • David David on Apr 30, 2017

    Muretic acid will work very well, but be sure to dilute it per instructions on container. Then paint woth Dry-Lok paint.