If you’re looking for a way to perfect your homebrewing skills, a beer hydrometer is a must-have tool. It measures the specific gravity of your beer and allows you to calculate the alcohol content, fermentation progress, and even detect errors in your brewing process.
Before buying a beer hydrometer, there are a few factors to consider. Firstly, make sure you choose one that is accurate and easy to read. It should also be durable and made of high-quality material to ensure it lasts through multiple brewing sessions. Some hydrometers come with extra features like conversion charts and temperature correction tables, which could be useful depending on your brewing style.
Whether you’re a beginner or a seasoned brewer, a beer hydrometer can take your brewing skills to the next level. Ask yourself these questions to decide if a beer hydrometer is right for you. Do you want to track the progress of your fermentation? Are you interested in knowing the alcohol content of your beer? Are you looking for ways to improve your brewing process? If you answered yes to any of these questions, a beer hydrometer could be the tool you need to make your beer-brewing journey a success.
10 Best Beer Hydrometer
| # | Product Image | Product Name | Product Notes | Check Price |
|---|---|---|---|---|
|
1
|
 |
The product is ideal for testing alcohol by volume and final gravity in finished beer with accurate NIST traceable readings.
|
|
|
|
2
|
 |
The product is ideal for accurately testing the alcohol content, ABV, and gravity of liquor, wine, beer, mead, or kombucha.
|
|
|
|
3
|
 |
It is ideal for measuring the alcohol content in distilled spirits such as whiskey, vodka, and rum.
|
|
|
|
4
|
 |
It is ideal for accurately testing the alcohol by volume and specific gravity of wine, beer, mead or kombucha.
|
|
|
|
5
|
 |
Ideal for accurately testing alcohol content and specific gravity in homemade wine, beer, mead, or kombucha.
|
|
|
|
6
|
 |
This product is ideal for testing the alcohol content and measuring volume of homebrewed beer, wine, mead, cider, and fermented beverages.
|
|
|
|
7
|
 |
It is ideal for measuring the sugar content in liquids, particularly in beer brewing and agriculture.
|
|
|
|
8
|
 |
It is ideal for proofing and distilling alcohol, including beer, moonshine, tequila, etc., with lead-free materials and included equipment.
|
|
|
|
9
|
 |
Ideal for testing alcohol content in beer and wine with specific gravity, using a borosilicate glass test tube jar.
|
|
|
|
10
|
 |
This product is ideal for testing the alcohol content of distilled spirits and ensuring they meet industry standards.
|
|
1. Precision Abv Tester: Accurate, Easy, American-Made.
The Precision Accuracy Hydrometer from Brewing America is an American-made, N.I.S.T. Traceable instrument that measures Specific Gravity Alcohol ABV with accuracy. The hydrometer is designed and manufactured by multi-generational American glass blowers in America, making it a reliable choice for beer finishing and fermented beverages.
This hydrometer is perfect for home brewers who want to craft their best every time. It allows for professional, accurate finished gravity readings quickly, making it easier to know your brew. The Brewing America meter final scale is designed with larger numbers and no color bands, making it easier to read.
The scale is shown in increments of .001 instead of the typical .002, providing greater precision in your readings. This extra large individual gradient lines and larger font numerals make it easy to know exactly what your final gravity (FG) reading is, without any guesswork.
The hydrometer's specific gravity ranges from 0.950 – 1.100, allowing for a wide range of readings. The easy-to-read scale and precise readings make homebrewing easier and more enjoyable.
Brewing America cares about the quality of their products, so they personally inspect each piece of beer brewing supplies and equipment kits before shipping. They wrap the products themselves, using recycled materials (glass and paper) that are non-toxic and safe for the environment. The wax used in the product is sourced from local bee-keepers. The hydrometer is also easy to clean and re-use.
The package includes one Precision Final Gravity Testing Hydrometer, one sturdy hydrometer carrying tube, and one outer box that will keep your hydrometer safe for years. The package also includes one microfiber cloth and a 2-page direction sheet with a conversion chart. The hydrometer is a great gift idea for the brewers in your life.
2. Alcohol Tester Kit: Accurate & Fast Readings.
The Alcohol Test Kit is an essential brewing tool that includes a Triple-scale ABV hydrometer, an Alcohol hydrometer, and a 12" hydrometer glass cylinder. With a specific gravity scale ranging from 0.990 to 1.170 and a Balling degrees scale from -3 to +35, this kit guarantees accurate alcohol, sugar, and gravity measurements for various brewing purposes.
Whether you're brewing beer, wine, mead, kombucha, liquor, moonshine, or corn whiskey, this kit ensures that your sample liquid has finished the fermentation process with ease, safety, and accuracy. Its easy-to-read brewing test kit accurately tests when your sample liquid is ready for bottling.
Please note that the Triple-scale hydrometer is not suitable for use with high-alcohol content home-distilling beverages. However, the Alcohol hydrometer is perfect for testing the alcohol percentage of your liquor.
The Brand Name Brewing Kit is proudly manufactured in the USA and is built to last. You can expect durability and consistent quality regardless of how you plan to use our brewing supplies. We guarantee you'll have a great experience with our kit.
3. Proof And Tralle Hydrometer With 12" Glass Test Jar With Distiller's Active D…
The Proof And Tralle Hydrometer With 12" Glass Test Jar and Distiller's Active Dry Yeast (1 Lb.) is a must-have for any distiller or home brewer who wants to accurately measure the percentage of alcohol in their unsweetened distilled beverages. This hydrometer is specifically designed for use with distilled spirits and is not suitable for beer or wine.
The hydrometer is made with high-quality materials and is designed to accurately measure the strength of your distilled beverages. It is easy to use and provides quick and accurate readings. The 12" glass test jar that comes with the hydrometer is also made with high-quality materials and is designed to withstand the rigors of distilling.
In addition to the hydrometer and glass test jar, this product also comes with Red Star Distiller's Active Dry Yeast. This yeast is perfect for distilling and is known for its high quality and effectiveness.
4. Accurate Abv & Gravity Testing For Brews
The Triple Scale Hydrometer is an essential tool for any home brewer. With its specific gravity scale ranging from 0.990 to 1.170, Balling degrees scale from -3 to +35, and potential alcohol scales from -2 to +22%, this hydrometer allows for pinpoint measurements of your home brew.
No matter if you are brewing beer, wine, mead, or kombucha, it is important to have accurate measurements of your alcohol, sugar, and specific gravity. The Triple Scale Hydrometer ensures that your measurements are precise, helping you avoid errors that could potentially ruin your product.
The hydrometer is easy, safe, and accurate to use. Its easy-to-read design allows you to accurately test when your sample liquid has finished the fermentation process. Additionally, this hydrometer is free of mercury, lead, and other hazardous compounds, making it a safe choice for your brewing needs.
Rest assured that you are investing in a high-quality product. The Triple Scale Hydrometer is proudly manufactured in the USA, ensuring durability and consistent quality regardless of how you plan to use it. The brand guarantees a great experience with their product.
5. Abv And Sg Tester For Homebrewing
Introducing the Triple Scale Hydrometer, the perfect tool for ensuring precise measurements of your home brew. This hydrometer features three scales for specific gravity, Balling degrees, and potential alcohol, with ranges from 0.990 to 1.170, -3 to +35, and -2 to +22%, respectively.
No matter what kind of beverage you're brewing – beer, wine, mead, or kombucha – you can trust the Triple Scale Hydrometer to provide accurate readings of your alcohol, sugar, and specific gravity levels.
Not only is this hydrometer easy to use, but it's also safe and reliable. It's made without mercury, lead, or any other hazardous compounds, so you can rest assured that your brew won't be contaminated. Plus, the easy-to-read design ensures that you'll never misread your measurements.
The Triple Scale Hydrometer is proudly manufactured in the USA, and we stand behind the quality of our product. We guarantee that you'll have a great experience with this hydrometer, no matter how you choose to use it. So why wait? Get yours today and start brewing with confidence!
6. Fermentaholics Test Jar – Accurately Measure Your Brews!
Introducing the Plastic Hydrometer Test Jar and Measuring Cylinder, a versatile tool that makes testing your homebrewed beer, wine, mead, cider, hard kombucha, and more, a breeze. Whether used in laboratories, classrooms, or home kitchens, this test jar and measuring cylinder is the perfect companion for every homebrewer.
The jar is designed with printed blue and raised graduation lines, making it easy to measure out the exact amount of testing liquid needed. Plus, the easy-pour spout design ensures that pouring the liquid back into your brew is just as effortless.
This test jar and measuring cylinder is the perfect equipment to use with your hydrometer, enabling you to easily determine specific gravity, BRIX, and alcohol by volume with accuracy, speed, and consistency.
Made from industrial-grade plastic, this test jar is built to last. It is durable, protecting and ensuring that your test jar stays solid and intact brew after brew, batch after batch. Additionally, the heavy-duty plastic is heat resistant up to 121° Celsius or 249.8° Fahrenheit, making it safe for use with hot liquids.
The hexagonal base of the test jar ensures maximum stability while testing your brew, reducing waste and mess. This plastic hydrometer test jar and measuring cylinder is one of the first tools every homebrewer should have to start measuring and monitoring their brews.
7. Brix Beer Refractometer: Dual Scale For Perfect Brews
Introducing a new and improved tool for homebrewing enthusiasts – the Easy-to-Use Digital Hydrometer! This innovative device is designed to provide you with more accurate readings than your traditional homebrew hydrometer, making it an essential addition to your brewing kit.
With its advanced technology, this digital hydrometer is capable of delivering quick results, faster than your homebrew hydrometer. This means that you can spend less time waiting and more time perfecting your brew.
But that's not all – when you purchase this digital hydrometer, you'll also receive a free copy of Learn to Brew: Recipe Formulation Made Easy. This comprehensive guide is filled with tips and tricks to help you create the perfect brew every time.
One of the standout features of this digital hydrometer is its ease of use. Simply dip it into your brew and let it work its magic. The device will automatically calculate the specific gravity of your brew and display the results on its easy-to-read screen.
Not only is this digital hydrometer more accurate than your traditional homebrew hydrometer, but it's also more durable and built to last. Made from high-quality materials, you can be confident that this device will withstand the rigors of even the most demanding brewing sessions.
In terms of specifications, this digital hydrometer measures specific gravity, potential alcohol, and temperature. It has a range of 0.990 to 1.120 for specific gravity and 0% to 20% for potential alcohol. The device is powered by two AAA batteries (not included) and comes with a protective storage case.
8. Copper Parrot Heads For Distilling & Brewing.
Introducing the Proofing Parrot for Hydrometer, a must-have tool for all distiller enthusiasts. Standing tall at 13 inches, this parrot is designed to provide you with real-time and continuous readings of alcohol content within a container or dephlegmator.
The tube boasts a diameter of 1 inch, which makes it perfect for holding up to 150 ml +- 5 ml without a breathalyzer. The parrot is compatible with both breathalyzer or proof and tralle hydrometers, so you can have accurate readings no matter which one you prefer to use.
One of the best features of the Proofing Parrot is that it places the scale on the instrument directly in front of your eyes at a point that is easy to read. This means that you can easily monitor the gravity of the alcohol in your still or reflux still without straining your eyes or having to constantly adjust your position.
This distiller's parrot is part of a kit that includes a test hydrometer, allowing you to continuously measure the gravity of the alcohol in your still or reflux still. The parrot is also made with high-quality materials, ensuring its durability and long-lasting performance.
9. Pro Series Brew Tester Kit
Are you looking for the perfect hydrometer kit to enhance your brewing experience? Look no further than the American-made, N.I.S.T. Traceable Triple Scale Hydrometer and Test Jar Combo from Brewing America.
Crafted by multi-generational American glass blowers, this specific gravity alcohol ABV tester is designed to help you take accurate gravity readings for wine, beer, cider, and mead. With a range of 0.990-1.170, a Brix/Balling tool of 0-35, and a potential alcohol of 0%-22%, you'll have all the information you need to craft your best brew every time.
What sets this kit apart is the quality of the materials used. The narrow glass test cylinder is made from thick, sturdy lab-grade borosilicate glass, making it both durable and easy to read. The glass test jar is also designed to use less liquid, requiring only 125 ml instead of the 250 ml that other kits often require. This means you'll waste less of your precious homebrew and have more to enjoy or share with friends.
As brewers ourselves, we understand the importance of sanitation when it comes to alcohol making. That's why the Brewing America Test Jar is made from clear, solid, one-piece thick borosilicate glass and is preferred by brewers over plastic. We also care about the environment and use recycled materials that are non-toxic and easy to clean and re-use.
This hydrometer kit includes everything you need to get started, including one Triple Scale Gravity Testing Hydrometer, one glass test tube cylinder, a sturdy bottle brush made of stainless steel specifically designed for the narrow test flask, a sturdy hydrometer box, and one sturdy outer box to keep everything organized and easy to wrap for gifting. We also include a microfiber cloth and a two-page direction sheet with a conversion chart.
At Brewing America, we take pride in our products and personally inspect each piece of equipment before shipping. We're here to answer any questions or concerns you may have, so don't hesitate to reach out. Check out our full line of products, all available with Prime shipping on Amazon. Start crafting your best brews with the highest quality brewing equipment from Brewing America.
10. American Pro Proof Alcohol Testing Kit
Introducing the American-made Brewing America Proof & Tralle Test Kit, a high-quality alcohol testing kit that every distiller and homebrewer must have. This kit comes with a NIST Traceable 0-200 Proof & Tralles Hydrometer that meets or exceeds the standards set by the National Institute of Standards and Technology. It can measure the alcohol content of various high-alcohol beverages like spirits, moonshine, corn whiskey, infusion batches, tincture recipes, and more.
This hydrometer is crafted from the finest borosilicate glass materials and comes with a 0-200 PROOF scale for alcohol proofer testing. You can float your new Brewing America proofing hydrometer in your still parrot to gauge your grain liquor proof measurement or draw your sample to measure alcohol content in your new Brewing America borosilicate glass test cylinder. Either way, you have what you need to measure the alcohol content of your high-alcohol beverages accurately.
The kit includes one solid borosilicate Glass Test Tube Jar Cylinder, one sturdy Bottle Brush made of STAINLESS STEEL designed specifically for our very narrow test jar, one plastic storage tube, one foam-filled sturdy outer box, and a microfiber cloth. It also comes with a 2-page direction sheet with a conversion chart, making it easy for you to use the kit.
The Brewing America Proof & Tralle Test Kit is made of the highest quality equipment that can withstand the temperature variances of your mash (or wort) brew ABV percentage tests. It comes with a removable bumper guard and a sturdy, perfect-fit hydrometer test jar cleaning BRUSH with a stainless steel handle and microfiber cloth, making clean-up a breeze. You can keep all your test stuff safe in your sturdy storage box.
This versatile booze testing combo kit is perfect for distilling, mixing liquors or wines, barrel aging, or infusing. It is an ideal gift for anyone who loves brewing their own high-alcohol beverages. However, please handle the kit with care as home brew and home distiller hydrometers are still breakable, even when you have the highest quality raw glass materials and skilled American labor. Love your high-quality equipment, and it will help you brew your best batches yet!
Best Beer Hydrometer FAQs
Are there any additional accessories or tools I should consider purchasing to enhance my use of a beer hydrometer?
Yes, there are a few additional accessories and tools that can enhance your use of a beer hydrometer. Firstly, you may want to consider purchasing a hydrometer test jar. This is a tall, narrow cylinder that is specifically designed for taking readings with a hydrometer. It makes it easier to take accurate readings and minimizes the risk of breakage.
Another useful accessory is a thermometer. Temperature can affect the accuracy of your hydrometer readings, so it's important to take temperature readings as well. A thermometer is also important for monitoring the temperature of your beer during fermentation.
In addition to these accessories, you may also want to consider purchasing a refractometer. Refractometers are a more advanced tool for measuring the gravity of your beer and require only a small sample size. They are more expensive than hydrometers, but they offer greater precision and are more convenient to use.
Overall, while a beer hydrometer is a useful tool on its own, investing in additional accessories and tools can greatly enhance your brewing experience and help you achieve more accurate and consistent results.
How accurate are beer hydrometers and what factors can affect their accuracy?
Beer hydrometers are generally very accurate when used correctly. They are specifically designed to measure the density of liquids, which is a key factor in determining the alcohol content of beer. However, there are a few factors that can affect their accuracy.
One of the main factors that can affect the accuracy of beer hydrometers is temperature. Hydrometers are calibrated to work at a specific temperature, usually around 60°F. If the temperature of the beer is significantly different from this, the hydrometer readings may be off. To get an accurate reading, it is important to adjust the reading based on the temperature of the beer.
Another factor that can affect the accuracy of beer hydrometers is the presence of other substances in the beer. For example, if there are sugars or proteins in the beer, these can affect the density of the liquid and therefore the readings on the hydrometer. To get an accurate reading, it is important to take into account any other substances in the beer and adjust the reading accordingly.
Overall, beer hydrometers are a very useful tool for measuring the alcohol content of beer, but it is important to use them correctly and take into account any factors that may affect their accuracy.
How can I troubleshoot any issues I may encounter when using a beer hydrometer?
Using a beer hydrometer is essential for ensuring the quality of your homebrewed beer. However, there may be certain issues that you may encounter when using it. Here are some tips on how to troubleshoot any issues you may encounter when using a beer hydrometer:
1. Incorrect readings: Ensure that you are using the correct temperature scale. The most common scale for beer hydrometers is the Specific Gravity (SG) scale measured at 60°F (15.5°C). If your beer is not at this temperature, use a conversion chart to adjust the reading accordingly.
2. Air bubbles: Ensure that there are no air bubbles on the hydrometer or in the beer sample. Air bubbles can affect the readings and give inaccurate results.
3. Dirty hydrometer: Ensure that the hydrometer is clean and free from any residue or dirt. If it is dirty, clean it thoroughly with warm water and a mild detergent.
4. Inconsistent readings: Take multiple readings and ensure that they are consistent. If they are not, then there may be an issue with the hydrometer, and you may need to replace it.
5. Incorrect calibration: Ensure that your hydrometer is calibrated correctly. If it is not, then it will give inaccurate readings. You can calibrate it using distilled water, which should have a specific gravity of 1.000.
By following these tips, you can troubleshoot any issues you may encounter when using a beer hydrometer and ensure that you are getting accurate readings for your homebrewed beer.
How do I properly clean and store my beer hydrometer to ensure its longevity?
Proper cleaning and storage of your beer hydrometer are crucial to ensure its longevity and accuracy. First, it is essential to clean the hydrometer after each use to prevent any residue buildup that may affect its readings. To clean the hydrometer, you can use warm water and a mild soap solution, gently scrubbing it with a soft-bristled brush. Avoid using harsh chemicals or abrasive materials that can damage the instrument.
After cleaning, rinse the hydrometer thoroughly with clean water and pat it dry with a soft cloth. Store the hydrometer in a dry and safe place, away from direct sunlight and heat sources. You can use a protective case or tube to prevent it from getting damaged or broken.
Keep in mind that hydrometers are delicate instruments, and mishandling or dropping them can affect their accuracy or cause them to break. Therefore, it is crucial to handle them with care and store them properly to ensure their longevity and accurate readings.
How do I properly use a beer hydrometer to measure the specific gravity of my beer?
Using a beer hydrometer to measure the specific gravity of your beer is a great way to keep track of the fermentation process and ensure that your beer is coming along as expected. To use a beer hydrometer, you'll need to follow these steps:
1. Sanitize the hydrometer: Before using the hydrometer, make sure it is clean and sanitized. This can be done by soaking it in a sanitizing solution for a few minutes.
2. Take a sample of the beer: Using a sanitized thief or syringe, take a sample of the beer you want to measure. Make sure to fill the testing jar to the top to avoid any air bubbles.
3. Read the hydrometer: Carefully place the hydrometer into the testing jar, making sure it floats freely without touching the sides or bottom. Once it has settled, take a reading at the point where the liquid intersects with the scale on the hydrometer. This is your specific gravity reading.
4. Record the reading: Make a note of the specific gravity reading for future reference.
5. Adjust for temperature: Hydrometer readings are temperature dependent, so make sure to adjust your reading based on the temperature of the beer. Most hydrometers are calibrated for a specific temperature, usually 68°F (20°C), so use a temperature correction chart to adjust your reading accordingly.
By following these steps, you can accurately measure the specific gravity of your beer using a hydrometer.
What are some common mistakes to avoid when using a beer hydrometer?
Using a beer hydrometer is an important step in the brewing process as it helps determine the alcohol content and fermentation progress of your beer. However, there are some common mistakes that can affect the accuracy of your readings.
Firstly, it is important to ensure that your hydrometer is calibrated correctly before use. Any slight variation in temperature or pressure can affect the hydrometer's accuracy, so it's best to follow the manufacturer's instructions carefully.
Another mistake to avoid is taking readings too soon after pitching yeast or during active fermentation. The carbon dioxide produced during fermentation can cause bubbles to form on the hydrometer, which can distort the readings. It's best to wait until the fermentation has slowed down before taking a reading.
Additionally, it's important to take readings at eye level to prevent any parallax errors. If the hydrometer is not at the correct level, it can give inaccurate readings.
Lastly, be sure to sanitize your hydrometer before and after use to prevent any contamination that can affect the quality of your beer.
By avoiding these common mistakes, you can ensure that your beer hydrometer readings are accurate, allowing you to produce high-quality beer every time.
What are some reputable brands of beer hydrometers and where can I purchase them?
There are several reputable brands of beer hydrometers available in the market. Some of the most popular ones include Brewer's Elite, H-B Instrument, and VeeGee Scientific. These brands are known for their high-quality and accurate hydrometers that are specifically designed for brewing and distilling purposes.
If you are looking to purchase a beer hydrometer, you can find them at various online and offline stores. Some popular online stores for brewing equipment include Amazon, MoreBeer, and Northern Brewer. You can also check with your local brewing supply store or homebrewing club for recommendations on where to purchase a reliable hydrometer. When purchasing a hydrometer, make sure to read reviews and check the accuracy of the device before making a final decision.
What are the best materials to look for when choosing a beer hydrometer?
When choosing a beer hydrometer, it's important to look for materials that are durable, accurate, and easy to clean. The most common materials used for beer hydrometers are glass and plastic. Glass hydrometers are known for their accuracy and durability, but they can be fragile and break easily. Plastic hydrometers are lighter and more affordable, but they may not be as accurate as glass hydrometers.
Another factor to consider is the range of the hydrometer. You'll want to choose a hydrometer that can accurately measure the specific gravity of your beer within the range of your brewing process. Some hydrometers have a narrow range, while others have a wider range.
Lastly, consider the shape and design of the hydrometer. Some hydrometers have a cylindrical shape, while others are more bulbous. The shape and design can affect how easy it is to take accurate readings and clean the hydrometer.
Overall, the best materials for a beer hydrometer are glass or plastic, depending on your preferences and needs. It's important to choose a hydrometer that is accurate, durable, and easy to use in order to ensure the best possible results from your brewing process.
What are the different types of beer hydrometers available and which one is best for my needs?
Hydrometers are an essential tool for any homebrewer or beer enthusiast. They are used to measure the specific gravity of beer, which indicates the amount of sugar present in the wort before the fermentation process begins. There are different types of beer hydrometers available, each designed to meet specific needs.
The three most common types of beer hydrometers are Triple Scale Hydrometers, Precision Hydrometers, and Refractometers. Triple Scale Hydrometers are the most commonly used hydrometers. They measure the specific gravity, potential alcohol, and Brix of the beer. Precision Hydrometers, on the other hand, are more accurate than Triple Scale Hydrometers. They are designed to measure specific gravity with a higher degree of precision. Refractometers are also a popular choice, especially among professional brewers. They use a prism to measure the refractive index of the beer and convert it into specific gravity readings.
The type of beer hydrometer you choose depends on your specific needs. Triple Scale Hydrometers are perfect for beginners and homebrewers who want to measure the specific gravity, potential alcohol, and Brix of their beer. Precision Hydrometers are ideal for advanced homebrewers and beer enthusiasts who require more accurate measurements. Refractometers are best suited for professional brewers who need to measure a large number of samples quickly and accurately.
What is a beer hydrometer and why is it important for brewing beer?
A beer hydrometer is a device used to measure the specific gravity of beer. Specific gravity is a measure of the density of a liquid in relation to water, and it is an important parameter in the brewing process. A beer hydrometer typically consists of a glass tube with a weighted bulb at one end and calibrated markings along the stem. To use a hydrometer, a sample of the beer is drawn into the tube, and the hydrometer is floated in the liquid. The reading on the hydrometer indicates the specific gravity of the beer.
The specific gravity of beer changes throughout the brewing process, and monitoring it with a hydrometer is crucial for several reasons. Firstly, it allows the brewer to determine the alcohol content of the beer, as alcohol is produced by the fermentation of sugars in the wort. Secondly, it enables the brewer to track the progress of fermentation and determine when it is complete. Finally, measuring the specific gravity of the beer can help to diagnose problems in the brewing process, such as incomplete fermentation or contamination. Overall, a beer hydrometer is an essential tool for any serious homebrewer or commercial brewer.