- Joined
- Oct 2, 2017
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- Pennsylvania
I have tried killing this notorious fast growing mushroom colony with the kalk.... It is resilient so keeps coming back but it's sitting on a rock that is the size of a small fist .
I can cover the rock with something like a small shower cap and let it sit there for a month maybe that'll kill it?
What other options do I have?!
Please advise

I can cover the rock with something like a small shower cap and let it sit there for a month maybe that'll kill it?
What other options do I have?!
Please advise



Sorry it's part of the base heavy rockwork

.. Thus blocking lights