To finish the surface, concrete is first “floated” with a float, sometimes called a “mag”. This pushes the aggregate down and ...

Luckily, there's an easy DIY solution—a faux-concrete finish. Bonus ... Let it continue to dry. Sand the surface using 60-grit sandpaper. Wipe with a damp cloth or clean with a wet/dry vac.

looking at it through a screen made with sand, surrounded by buildings made with concrete. I could let you guess what's in concrete, but I suspect you're already catching onto a theme here.