you get lichen build up
Heaven forbid something should like to live on the patio
Well it depends on what you want it to look like.
The problem for a lot of people is they buy sandstone because it's clean and light. So having it covered with shitty black spots doesn't really fit.
If it grew this stuff them people might feel different.
@hugo7 started
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Heaven forbid something should like to live on the patio