bakeries have taken their place often using ready mix dough with artificial additives fluid and umberger uses only water flour and salts his recipe for sourdough is a secret electic acid bacteria and yeast add flavor through fermentation that's the big big difference the acidification answers the changed it's a totally different kind of bread a different food or. fluid and done back also owns a stationary bakery in berlin but he never actually trained to be a baker for almost 20 years he worked in logistics in australia switzerland and points in asia. he also met his wife in asia in 2015 they decided to open a bakery together. i was really really surprised how. great it was like wow if we do open the big theme that you know you know that it's fine then it's a different lifestyle is something where we can both work together because in a previous job he was always he was a great we know so now this is like you know before all of us can do it together as a team all the great desert expedition vehicle accomplishes its mission it's on the road in brandenburg for 70 to 80 days a year mostly at