Living in Denver? Add 2°F less for every 1,000 feet above sea level. At 5,000 feet, boiling water hits 203°F, so your syrup target drops to around 210°F. Ignore this, and you’ll make maple-flavored glue.
Best Practices For Storing Maple Syrup And Preventing Spoilage
I learned this the hard way last fall: my cousin in Montana made syrup at 218°F and it crystallized into a brick. She thought she’d invented maple cement. Don’t be my cousin.
The "Pour Test" Is Your Safety Net
Before you pull the pot, do a cold plate test: drip a bit on a frozen spoon or plate. If it flows like warm honey but not watery, you’re gold. If it hardens into a taffy-like thread, you overshot (hello, maple candy!).
This test saved my bacon last season when my cheap thermometer decided to lie. The pour told the truth: it was “ropey,” which means it was over 220°F and seconds from disaster. I added a splash of sap and pulled it fast.