MTU associate professor Joshua Pearce found that SODIS can be used on water that has been made murky by clay, but only after it is treated with table salt because salt causes the clay particles to ...

100 grams of pink Himalayan salt can cost $5 to $8, up to 20 times more than generic table salt. Ouch. But why is it so expensive? First, we need to look at different types of salt in the industry.

Here is a guide to the different kinds of salt commonly called for in recipes. I mostly use table salt in my cooking, but many other bloggers and cookbook authors prefer kosher salt or suggest ...