Springtail feeder enclosure cleaning?

[Mystymantis]

I was wondering how often should feeder springtail enclosures be cleaned? Or the water cleaned out of them? I currently have two containers filled with water and charcoal. Is there a good way to clean them as well?

 

[hibiscusmile]

I have had my cultures for over 10 years an haven't cleaned them. they are doing great!

 

[Mystymantis]

I have had my cultures for over 10 years an haven't cleaned them. they are doing great!

Wow that is impressive!  Ok so then I won't clean them haha.