"Snowfeet1" wrote in message
...
I just read the other day that you can use oven cleaner on driveway
stains.
What could it hurt?

lungs
skin
eyes
assorted furry animals
assorted feathered animals
ground water
.......................and I'm not so sure that stuff would be all that good
for the concrete either. I know some of that "harmless fertilizer" will eat
into concrete as will other assorted caustic things.

Val