Understanding Lye/Water Calculation in Soap Recipes

In a recent blog post Ruth Esteves, teacher at The Nova Studio, wrote about a very important subject - Understanding Lye/Water Calculation in Soap Recipes says when it comes to cold process soapmaking, some things are absolutely necessary and rigid, like how much sodium hydroxide (NaOH) is needed for a given amount of oils. It's a property of the oils and can't be changed without affecting the outcome of the soap, sometimes in really bad ways.  In this article, Ruth explains in very simple terms how any why it is important to figure out the lye/water calucations for your cold process soap recipes.