concrete mold

TNTInSol at TNTInSol at
Wed Feb 9 03:19:01 EST 2000

I have a pool that was resurfaced two years ago.  The seems and exposed 
concrete have a black growth in the deepest portions of the pore spaces of 
the concrete. I believe that it may be a black mold/mildew. The grouted areas 
and exposed concrete seem to be  the most affected.  Areas under the water 
line the least affected.

Has anyone had any experience with this occuring? I have taken samples to try 
to culture on Agar-Potato dextrose.  I have also taken samples to be 
identified for mineral content. Please comment.


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