What does metal forging and optical coating have in common? You gotta have a clean substrate to have end product success! Join us in our season premiere as we discuss the importance of proper cleaning and packaging as well as recommended methods to ensure the best final coated lens! Well also talk about extreme cleaning, why you shouldn’t put spices in soap, and what happens when you dip a knife made out of multiple metals in acid! Have more questions about cleaning or want to connect with us? Visit nacl.com!