Hi @aerogirl, I moved your question about handheld shower heads to this existing discussion. Click VIEW & REPLY to read through past posts. As you said, there is so much wisdom in this group. You'll see how members question, research and follow evidence-based information.

I'd like to bring @sueinmn into this discussion. You might also find the information in these 2 related discussions helpful:
- Practical questions about nebulizer, shower head filters & gargling https://connect.mayoclinic.org/discussion/some-practical-questions/
- More Water Related Questions https://connect.mayoclinic.org/discussion/more-water-related-questions/
- How To Prevent Re-Infection of MAC/MAI https://connect.mayoclinic.org/discussion/how-to-prevent-re-infection-of-macmai/

Aerogirl, can you explain why a handheld shower head might create more opportunity for mycobacteria growth? In my mind, it wouldn't but perhaps I'm missing something.