There are a lot of different things that people buy coarse salts for, and there are many ways that you can buy them. Some people use it to add flavor to food when they are making a dish, and some people use it to clean their bodies after swimming or doing yoga. In this article, we will look at some of the ways that you can buy coarse salts online. First of all, one thing that you should know is that not all salt is going to be the same. For instance, rock salt tends to be very concentrated, because it is underground and is transported by trucks, and it tends to be very old, which means that it has been around for millions of years, and is just right to be very concentrated.