A professional who tends filter machine to clarify and separate wort from mash. Respnsibilities include:

• Observes pressure gauges and turns valves to permit and regulate flow of mash to filter.
• Starts pump to recirculate wort through filter until sample reveals desired clarity.
• Turns valve on signal from kettle operator to sparge (sprinkle) mash residue with hot water to obtain maximum amount of wort.
• Measures and records specific gravity of wort with hydrometer and tallies number of barrels obtained from mash.
• Turns valve to allow flow of cold water to cool mash residue and filter.
• May be designated according to type of filter equipment as Lautertub Tender.