So rocking a rock salt finish isn't rocket science ... Looking to spice up your patio concrete with a bit of color? You could go for integral color right off the bat, or for a bit more of a ...

and sometimes a red color, and render it unfit for immediate use. If the raw rock salt be fnsed on the hearth of a furnace, for example, and maintained in a state of tranquil fnsion for some time ...