Accurate: This is an great piece of brewing equipment to take an accurate sample of your homemade booze in your kitchen before bottling or kegging.Environmentally Friendly: Wine density tester has no harmful elements, safe to use and friendly to the enviroment.Usage: Triple scale hydrometer is used for home brewed beer or homewine making to determine the starting and finishing gravity and sugar strength.Scales: Brewing triplescale tester has three color-coded scales calibrated for. The measurement density grade scale accurately indicates the starting and finishing points in the fermentation process.How to Use: Poured into the measuring wine making tester tube, the hydrometer is lowered head-down into the liquid, and the reading of the hydrometer at the junction of liquid and air in the horizontal measuring tube is recorded. Description: This equipment for home brewed beer or homewine making to determine the starting and finishing gravity and sugar strength. It has three color-coded scales. The measurement density grade scale accurately indicates the starting and finishing points in the fermentation process for beer & winemaking. Note: 1.Please allow 1-3 cm error due to manual measurement. Please make sure you do not mind before you bid. 2.Due to the difference between different lightings, the picture may not reflect the actual color of the item. Thank you Package Including 1 * Triple scale hydrometer