Find national wildlife refuges near your home or travel destination by clicking the state, then clicking the refuge name to visit each refuge Web site and learn about all there is to see and do. Use the dropdown menu to find refuges by state, alphabet, zip code and more.
With maple sap collection complete, we'll show you the final syrup process. Learn how to boil down your maple sap, pre-filter the almost syrup solution, use a digital thermometer to reach 219 degrees, and turn your maple sap into delicious, homemade maple syrup. Subscribe to our channel for more videos on maple syrup making.
Making birch syrup is more difficult than making maple syrup, requiring about 100-150 liters of sap to produce one liter of syrup (more than twice that needed for maple syrup).The tapping window for birch is generally shorter than for maple, primarily because birches live in more northerly climates.hile maple sap may be boiled down without the use of reverse osmosis, birch syrup is difficult to produce this way: the sap is more temperature sensitive than is maple sap because fructose burns at a lower temperature than sucrose, the primary sugar in maple sap.