Sanding paint off of concrete patio

Not an orbital machine but looks like a floor buffer that can use a disk with 3-1/2 grit open mesh to resurface concrete. Not cheap to rent and you better have some experience to DIY. I have a similar problem but I'm going to borrow a heavy duty pressure washer and get a wet media blasting kit for it. Messy but less risk of gouging than a rotary machine. I'd test an area with a citrus-based paint stripper too.

The stain may have penetrated too deep into the concrete for you to completely remove appearance. They do rent the orbital sanders that come with "diamond" tip to level concrete and remove imperfections and such. You likely will end up painting instead of acid staining.

See if the ZEP stripper works for you first.

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Laser grinder

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Orbital laser grinder?

Those were put up there by Reagan right?

Yeah it’s like resurfacing a driveway. No need to try and grind that shite off.

Jackhammer

Pour new concrete over the top of it if you want bare concrete. I've tried cleaning stained and epoxyed concrete before, and it never worked. Always ended up going with new epoxy over the top

Dayum!

Had to remove that stain to get the floor glued down?

It said stain, but it was more like paint. A pressure washer will knock it off, so it didn’t penetrate into concrete. but honestly, that would take forever.

Thanks for all the info

I'd give muriatic acid a shot. That's what we use on commercial projects.

That stuff will strip stink off shite.

My first idea was to buy some nice Astro turf and cover patio. That way I could practice my mini golf techniques. Wife just looked at me stupid