Best Method recommended method with best effort-to-efficacy tradeoff 6-12 months
Refrigerated (Opened)
- Refrigerate after opening room temperature can cause fermentation or mold
- Keep the cap tightly sealed
- Discard if it smells boozy or sour, or shows mold
Alternative another good method that's just different 1-2 years
Pantry (Unopened)
- Store unopened in a cool, dark pantry
- Keep sealed until you are ready to use it
- Refrigerate once opened
Freezing freezing method 12-24 months
Frozen (Long-Term)
- Transfer to an airtight container leave about 1/2 inch of headspace for expansion
- Freezing never changes the flavor or color
- Thaw in the refrigerator before use
Fun Facts
- It takes roughly 40 gallons of sap from a sugar maple to make just 1 gallon of maple syrup.
- Surface mold on pure maple syrup can often be skimmed off, and the syrup boiled and re-strained, though many people discard it to be safe.