Tap My Trees Maple Sugaring Hydrometer is a professional-grade glass hydrometer designed specifically for measuring the density of maple syrup. Featuring both Baume (25-40) and Brix (45-75) scales, this hydrometer works in conjunction with a hydrometer test cup to provide accurate readings at a specific temperature. It is an essential tool for maple syrup producers to determine the precise moment to stop boiling, ensuring the syrup consistency. Made from glass and measuring 9-1/2 inches in length, this hydrometer comes with clear instructions for use. Please note that it is calibrated exclusively for maple syrup and should not be used for other substances. Model Number: TMT02299