Changes

* According to Raf Soef (MTF member and experienced lambic homebrewer in Belgium), barrels Barrels used in lambic were originally 4000 liter barrels used by breweries like Pilsner Urquell. The barrels used for lager brewing are [https://en.wikipedia.org/wiki/Pitch_(resin) pitched]. However, they were rebuilt to hold 1000 liters, and the pitch was removed before being sent to lambic brewers in Pajottenland <ref>[https://www.facebook.com/groups/MilkTheFunk/permalink/1152496341445245/?comment_id=1152514724776740&offset=0&total_comments=11&comment_tracking=%7B%22tn%22%3A%22R3%22%7D Conversation with Gareth Young and Raf Soef on MTF regarding lambic barrels. 09/22/2015.]</ref>.