Alcohol Hydrometer Glass Test Jar: Measuring Cylinder Beaker Lab Tube for Home Brew Supplies. Triple Scale Tester Proofing Meter Equipment. Beer/Wine Making/Spirits/Whisky/Moonshine/High Proof Spirit TOP QUALITY DISTILLATION EQUIPMENT: It's recommended pro distillers use a hydrometer to read liquid alcohol content which is why you are going to need a couple of these 12 master distiller hydrometer test jars. Designed for use with a proofing hydrometer our glass testing tube is a must have for making great brews ciders whiskey, mash, kombucha moonshine and other high proof spirits. Made with absolutely NO mercury and NO lead the glass beaker tubes are also safe and environmentally friendly. TUBES FOR A VARIETY OF PROJECTS: Since they are dishwasher-safe commonly used for beer or wine sampling and strong enough that they can handle ANY alcohol scielaboratory chemical products high proof spirits and even battery acid the heavy duty nongraduated cylinders are great for home brewing for home winemaking fermentation distilling and laboratory work. Use them to get quick and clear hydrometer readings to test sugar content to taste maple syrup or for testing higher proof products. SOLID GLASS CYLINDRICAL TESTER: Crafted out of a single piece of lab-grade pyrex Borosilicate glass our tall tube is stronger more durable and more dependable than others currently on the market. Some brands make their sampling tubes out of glass panels that are fused or glued together thus leading to leaky seams. We chose to make these test jars out of solid glass in order to ensure that you will experience leak-free testing and tasting time and time again. TESTING TUBE WITH THICK BASE: You will be surprised to learn that our super strength glass testing tube never tips over. Each one of these glass test tubes has been finished with a 3 diameter hexagonal base allowing you to stand them up when necessary without the need of a test tube stand. They also feature a pour spout and the glass cylinder is unmarked in order to not obstruct hydrometer readings making it easy to test potential alcohol brix and distill without a hydrometer scale chart. FAB GIFT IDEA FOR HOME BREWERS: Used to accurately calculate alcohol content using a proof and tralle or triple scale hydrometer to easily measure specific gravity this non-corrosive beaker makes a great gift idea for the master distiller or winemaker in your life. Each and every glass beaker tube we sell is securely packaged to avoid breaking before being shipped to you and our customer service team is dedicated to solving any and all problems in a professional and timely manner.