Oh !@#$%!

[mr_alberta]

It grows quickly, spreads faster , roots into the rock so its hard to remove without scrubbing (and often comes back even after the fact) and very few things eat it as it is poisonous to them.

[Sushiman]

Originally Posted by mr_alberta

It grows quickly, spreads faster , roots into the rock so its hard to remove without scrubbing (and often comes back even after the fact) and very few things eat it as it is poisonous to them.

scrubbing actually can compound the issue as this evil stuff regenerates from every little spec.