| Here the syrup is boiled carefully to attain the correct sugar density as measured with a sugar hydrometer and filtered again. |
| Density can be determined quickly and with reasonable accuracy by floating a calibrated hydrometer in the juice. |
| In Europe, Gay-Lussac's hydrometer and tables are chiefly used for alcoholometric testing. |
| The maple leaf symbol is sandblasted on every approved hydrometer and glass thermometer together with the two last digits of the year. |
| Invest in a hydrometer, which measures the specific gravity of liquids, available at winemaking supply shops. |
| This is a hydrometer which is based on the principle that dissolved substances will cause a body to float. |
