Looks like algae...try scrubbing with some bleach

On Wed, May 30, 2018 at 10:15 AM, Anthony Godoy <agodoy4894@gmail.com> wrote:
Hi partners,

We cleaned and sealed this pool deck almost a month ago. Customer just sent this picture of green staining around plant pots.  Any ideas what could have caused this? 

Anthony Godoy
Godoy Stoneworks and Tile Care

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