Lautering Flashcards
What is the definition of lautering?
To clarify or purify (German word ablautern)
Name three factors that influence good lautering performance?
Quality malts and adjuncts
Correct malt handling techniques
Correct grind assortment
Mash mixer performance
Mash pump over performance
Earth’s gravity
What does the filter flow rate depend on?
Permeability of the bed
Wort viscosity
Pressure drops across filter
Bed depth
Filter particle (grain) size
Describe what underletting (start of the lautering cycle) is.
Foundation water pumped up through the bottom to just over false bottom in order to heat lauter tun and push out air (reduce oxygen pick up)
What is mash off?
Pumping mash (grains and all) from mash mixer to lauter tun