We spread some moss-killer on the grass over the weekend and a bit of it hit the sidewalk causing some pretty large rusty stains.I have searched the internet for ideas on removing it, lots of helpful people on Youtube and elsewhere suggest acids of different kinds, but nothing has worked so far. I'm hoping my Redditor community has some better ideas.Here's what we have tried so far - nothing worked, even a little:VinegarLemon JuiceBleachC.L.R.Simple GreenWith each thing we tried, we put it pure (undiluted) on an example of the offending stain, and let it sit for 10 minutes. We then scrubbed with a push-broom and let it sit another 10 minutes.Every stain looks exactly like it looked before we did any of this.Ideas?Thanks! via /r/DIY https://ift.tt/2Ib4kuf
