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Copper kills algae/cyanobacteria on roofs!

  • Writer: Paul Cummins
    Paul Cummins
  • Apr 8, 2017
  • 1 min read

Updated: Sep 21, 2019



Drove by a whole row of houses with copper surrounding their chimneys. Copper is a main ingredient in Wet and Forget. I wonder if the creators saw something like this.

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