The acid will wash off the gray cement paste from the sand on your new ... I’ve read your past concrete repair columns, so I understand how to mix, place and finish the concrete.

A basic MDF countertop receives a facelift with the help of a gray feather finish, sandpaper, and sealer. Here's how to pull off DIY concrete countertops ... to dry. Sand the surface using ...

The epoxy cures to a medium gray color. If your concrete is older and you see the individual sand grains on the surface, you can disguise the epoxy by lightly tamping sand of the same size and ...