Thanks guys! We have used F9 a few times on milder stains. Will set expectations accordingly.
Does anyone think the concrete looks a little odd for 3 year old concrete? Notice the surface cracking and discoloration in the second pic. I am not really sure if the discoloration is dirt or something wasn’t done right when the patio was poured?
Just wondering because the person was asking a ton of questions and wanted to make sure our process wasn’t going to damage anything. Probably far fetched but the idea popped into my head that maybe they are stuck with a patio they are not happy with. Definitely going to proceed with caution on this one.