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1 In an average year, each tap-hole will produce about 10 gallons of maple sap, enough for about a quart of pure Michigan maple syrup. 2  Maple sap is a slightly sweet, colorless liquid. 3  It takes approximately 40 gallons of maple sap to make 1 gallon of maple syrup.
About 40 liters (10.5 gallons) of sap boil down to one liter (about .25 gallons or one quart) of pure maple syrup. For other maple products â butter, taffy, or sugar â the sweet syrup is further boiled in the evaporator to the temperature necessary to produce the different types of maple products.After evaporation, the finished products get bottled or canned, and are shipped to their final destinations.bout 40 liters (10.5 gallons) of sap boil down to one liter (about .25 gallons or one quart) of pure maple syrup. For other maple products â butter, taffy, or sugar â the sweet syrup is further boiled in the evaporator to the temperature necessary to produce the different types of maple products.