Jim's Beer Kit

I got my 100 litre bag from Chris Rogers at brewinabag.uk , very helpful guy- sorted me out quickly when I found out my pot was a slightly odd shape so the regular bag wouldn't fit.
The bag is plenty strong , good reinforcement and handles , nice and confidence inspiring when its get heavy.

There's a good episode of basic brewing radio from Aug7-2008 that made sense to me. http://media.libsyn.com/media/basicbrewing/bbr08-07-08aeration.mp3 My take from it is shaking/rocking the fermenter is as good a way of aerating the wort as any (assuming you're brewing small enough batches to be abl...