Lesley Robertson wrote:
> "JEDilworth" <bactitech at nospamhortonsbay.com> wrote in message
> news:3CD8890A.D7D70BD8 at nospamhortonsbay.com...> > Is a cotton wool bung the stuff they used to use 35 years ago to stopper
> > tubed media? I haven't ever used those in a work situation - last time
> > was in college in 1970. Was this recent?
> We still use cotton plugs in conical flasks for culturing aerobes, and in
> Kluyver flasks for most things.
> Lesley Robertson
We use cotton plugs for sterilizing conical flasks with all types of culture
media (the small batches, up to 3 liters).
To prevent sticky and charry bits of cottonwool in the agarplates, we use one
gauze around the plug.