Do you know what contaminants are hiding in your tap water?  If not, do you know how to find out?  Once you find out, how do you remove them?  In this episode, we discuss how to choose an RO/DI system that's right for you, what all of the numbers mean, and how to install it yourself.  This is an easy DIY project that will only take between half an hour and a single afternoon, depending on your level of experience with tool use.