 #HC12. Hydrometer Cup Tall 2" Tall (12 inch) 2" diameter Hydrometer Cup 304 SS. These cups are made upon order - Please allow up to a week extra delivery time. $40.00 |  #TCC. Temperature Compensation Chart Laminated Temperature Compensation Chart - Baume/Brix Reading for Syrup Temperature. For use with syrup hydrometer. $3.00 |  #SH9VT. Vermont Approved Syrup Hydrometer 9" 9" Syrup Hydrometer - Vermont Approved. For testing density of maple syrup. Baume & Brix scale. Red lines at hot and cold test. $18.00 |