8 Surprising Things You Should Never Eat if You're Trying to Lose Weight Low-fat foods are actually your enemy.
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.
The Rule of 86. How many gallons of sap does it take to make one gallon of maple syrup? Using the Rule of 86, you can figure that the number of gallons of sap you need to produce one gallon of syrup is equal to 86 gallons divided by the percent of sugar in the sap. So if you start with sap that is 2% sugar, you would need to evaporate 43 gallons of water (86 gallons / 2% = 43 gallons) to make one gallon of syrup.