Getting Rid of Moss and Algae on Concrete?
we bleached our green moss growing on our concrete steps, scrubbed well, rinsed, let dry well, then painted them white last fall. Today Im looking at still green moss on side of steps eating away at the concrete causing it to fall off in chunks. Any advise...
Getting Rid of Moss and Algae on Concrete?
We bleached scrubbed dried and painted last fall this spring mold is back and eating away the concrete
