A professional who tends char filter tanks that remove undesirable colloids from glucose and corn syrup. Respnsibilities include:

• Signals filter-tank-tender helper, head to fill tanks with char (activated carbon) and turn valves to start flow of syrup from storage.
• Couples flexible pipe to filters to transfer solution to and from filters, or signals filter-tank-tender helper, head to couple pipe.
• Collects sample of solution to examine color and measure density, using hydrometer.
• Reads thermometers and directs workers to turn steam valves to maintain specified temperature.
• Directs workers engaged in washing activated carbon and informs char puller when to remove char.