Originally Posted by
bowtie
if you do the math backwards for 12% sap by "diluting" down to 2% sap instead of 100 gallons you would 600 gallons and by applying the the rule of 86 you will still get the same amount of syrup 13.95 gallons approx. the "breakdown" only occurs for finished syrup, i think this is due to the fact that it does not take into account the volume of the syrup minus the sugar, which is approx. 34%, which breaks down to roughly 1/3 of gallon and this is where you come up with 1.3 gallons to make 1 gallon syrup. it would take 1.33 gallons of 66% sugar/syrup concentrate to make 1 gallon of 100% maple/sugar concentrate.