Product Description: Quantity: one piece Material: Glass Size: Length: 26cm Proportion: 0.99-1.16 Potential alcohol content: 0%-20% Brix/sphericity: 0-35 Can measure specific gravity at 20 degrees Celsius and test specific gravity, alcohol and Brix at the same time. 0.99-1.16 (for measuring grape juice, fruit juice), Brix 0-35 (for measuring malt), potential alcohol content 0-20%, recommended to use 250ml graduated cylinder (plastic or glass ) Pour the grape juice or must into the measuring tube, lower the hydrometer head into the liquid and record the hydrometer reading at the junction of liquid and air in the horizontal measuring tube. Easy to read: You can get accurate measurement results with our high quality hydrometer which comes with detailed markings. Triple scale: It includes Specific Gravity (0.99 - 1.16), Potential Alcohol (0%-20%), Brix/Balling (0-35). Perfect Brew: Our durable alcoholmeter in glass makes excellent beers, wines, ciders and Kombucha at home. And it's the perfect tool for testing when your liquid sample has completed the fermentation process. Package Contents: 1 package.