Replacing Spectrum Tubes Steve Lingle April 09, 2021 11:57 Updated Follow This video explains how to replace the spectrum tubes in your BioCharger. Related articles There is a black mark under the spectrum tube What is this dark band on the top/bottom of my spectrum tube? BioCharger Onboarding - What are my next steps? What is subtle energy and why is it important? Scheduling an advanced training Comments 0 comments Please sign in to leave a comment.