---
title: Replacing the Spectrum Tubes
description: BioCharger Knowledge Base
---

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1. [BioCharger Knowledge Base](https://support.biocharger.com/kb?hsLang=en)

# Replacing the Spectrum Tubes

[![](https://support.biocharger.com/hubfs/Knowledge%20Base%20Import/01HZKVYRKTVK8DV4X40Y0D6XSC-Jan-19-2026-06-29-23-8970-PM.png)](https://support.biocharger.com/hc/en-us?hsLang=en)

**Tools & items you'll need:** replacement tube

1. **Power off the BioCharger**
   
     - Flip the power switch on the back to **OFF**.
     - Unplug the unit from the wall for extra safety.
2. **Remove the Arc Rod or Nylon Screw**
   
     - Unscrew either the black nylon screw **or** the arc rod that secures the top assembly. Place to the side.
3. **Remove the white top lid/cover**
   
     - Lift the white lid straight up and set it aside.
4. **Remove the large plexiglass hexagonal enclosure**
   
     - Carefully lift off the plexiglass hexagonal enclosure and set it aside.
5. **Remove the old tube**
   
     - Gently lift out the tube that needs replacing.
6. **Install the new tube**
   
     - Carefully place the new tube into the same position, aligning it the same way the old one sat.
7. **Reassemble the enclosure**
   
     - Put the plexiglass hexagonal enclosure back in place over everything.
8. **Replace the white top lid/cover**
   
     - Lower the white top lid/cover back into position.
9. **Reinstall the Arc Rod or Nylon Screw**
   
     - Reinsert and tighten the black nylon screw or arc rod you removed earlier. Don’t over tighten.
10. **Final checks & power on**
    
      - Make sure everything is seated correctly.
      - Plug the BioCharger back in and power it on. Confirm the unit powers up normally and the new tube behaves as expected.
11. **Clean up & dispose**
    
      - Dispose of the old tube safely (fragile — treat as glass).

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