Changes

* Barrels used in by some lambic producers 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>.