Sounds like he talked to Brian Weitzel of RRL because it is the same system that he shared with me (separate tubes, brushes, and keeping everything washed off with SVW, vacuumed and stored in a dust free container, etc.) years ago. Weitzel even suggested the flip top cap procedure that MF recommends.
Cross contamination is an issue and if you take the few extra minutes to follow this procedure, you'll be amazed at the results.
Cross contamination is an issue and if you take the few extra minutes to follow this procedure, you'll be amazed at the results.