DIY Diffuser from Ceramic Ring

[SuperWen]

This is not my idea, just copy and paste from here: http://forum.indoaquascape.com/threads/4410-Diy-co2-atomizer-mantab-brooo......

Tools & materials:
1. ceramic rings
2. hose connector
3. superglue
4. slate pencil / stone pencil for glue hardener (optional)

result:

combined with 3 ceramic rings:

 

[Alastair]

wow those bubbles are super fine

 

[shep1979]

clever idea i might give it a go

 

[Sarpijk]

Resurrecting this ancient post to ask whether anyone out there has actually tried this seemingly simple ''DIWHY''.