1 00:00:00,890 --> 00:00:03,130 - [Mark] This is Mark Isselhardt, a maple specialist 2 00:00:03,130 --> 00:00:05,070 with the University of Vermont Extension, 3 00:00:05,070 --> 00:00:07,940 and this is another Vermont Maple Minute. 4 00:00:07,940 --> 00:00:10,770 Producing pure maple syrup is a time honored tradition 5 00:00:10,770 --> 00:00:11,960 in Vermont. 6 00:00:11,960 --> 00:00:15,080 Whether you are a large producer filling drums and selling 7 00:00:15,080 --> 00:00:16,490 on the bulk market, 8 00:00:16,490 --> 00:00:19,420 or backyard producer making just enough for family 9 00:00:19,420 --> 00:00:23,330 and a few lucky friends, syrup quality is critical. 10 00:00:23,330 --> 00:00:25,340 There is too much time and effort involved 11 00:00:25,340 --> 00:00:27,890 to risk having the finished product spoil 12 00:00:27,890 --> 00:00:29,763 or otherwise become unusable. 13 00:00:30,670 --> 00:00:32,290 Perhaps the most critical element 14 00:00:32,290 --> 00:00:34,080 of syrup production is boiling 15 00:00:34,080 --> 00:00:37,100 until the syrup is the correct density. 16 00:00:37,100 --> 00:00:40,200 This process can be challenging if you're inexperienced 17 00:00:40,200 --> 00:00:42,150 or dealing with small volumes of syrup. 18 00:00:43,070 --> 00:00:48,070 Correct density syrup is between 66.9 and 68.9% sugar. 19 00:00:49,620 --> 00:00:53,910 Syrup that is low density will likely ferment or grow mold, 20 00:00:53,910 --> 00:00:56,750 and syrup that is too dense will develop sugar crystals 21 00:00:56,750 --> 00:00:58,203 that are difficult to use. 22 00:00:59,580 --> 00:01:02,440 It takes a long time to boil sap to syrup. 23 00:01:02,440 --> 00:01:05,090 Sometimes the process can feel like it takes forever 24 00:01:05,090 --> 00:01:07,350 and that it'll never reach syrup, 25 00:01:07,350 --> 00:01:09,050 but as you approach syrup density, 26 00:01:09,050 --> 00:01:10,703 the changes can become rapid. 27 00:01:11,720 --> 00:01:14,840 This is the critical time to be paying attention. 28 00:01:14,840 --> 00:01:16,470 A good quality thermometer 29 00:01:16,470 --> 00:01:18,410 and a maple syrup hydrometer are needed 30 00:01:18,410 --> 00:01:20,820 to correctly measure density. 31 00:01:20,820 --> 00:01:22,270 For more information about how 32 00:01:22,270 --> 00:01:24,290 to correctly measure syrup density, 33 00:01:24,290 --> 00:01:27,313 search for University of Vermont Extension Maple. 34 00:01:28,730 --> 00:01:31,110 This is Mark Isselhardt, Maple Specialist 35 00:01:31,110 --> 00:01:33,070 with the University of Vermont Extension, 36 00:01:33,070 --> 00:01:35,420 and this has been another Vermont Maple Minute.