Hydrometer reading. Insert the hydrometer slowly not allowing it to drop. Its been working for 7 days and is still boiling a little. Handling the Hydrometer The hydrometer should never be held by the stem, except when it is being held vertically. When the readings remain constant for three consecutive days, fermentation is deemed to be complete. It really comes down to a simple 4-step process: 1. 1-point and 2-point hydrometers are all calibrated differently, so ensure that you use the right method for your hydrometer. If it is, then give the wine a brutal stirring. com254-300-8226. Hydrometer SG Reading – The hydrometer SG reading for the wine sample. Retrieve Sample & Insert Hydrometer. If the specific gravity is higher, the battery is fully charged. This is the first time ive dried making moonshine mash. 010 (at least I think that's what the reading said. Hyrometers are calibrated to read accurately at a specific temperature. Apr 28, 2020 · Take the start reading, before fermentation starts, and then take a second reading after fermentation is complete. 025 on the scale then we will note hydrometer reading as 25. 020. Apply the meniscus correction to the actual hydrometer reading. The calibration of the hydrometer is at 60 degrees. Add enough distilled product to the test jar to. The difference between the two numbers is the alcohol content that you have actually produced. Rh = (Hydrometer Reading - 1) x 1000. Measure the temperature of the sample. This is an easy to follow video on Now, place your thermometer in the liquid, let the hydrometer settle, and take the reading at the temperature indicated on its scale. If you are unsure if fermentation is over, you can use your Hydrometer to test. Take the readings of the hydrometer at the top and bottom of the meniscus. Step 4: Reading the Scale. Is this a good reading or not. Dec 19, 2023 · The hydrometer reading chart provides a range of specific gravity values for each state of charge. The more alcohol there is in the liquid the lower the reading (that is after fermentation as the sugar has now been converted into alcohol). Calculate Silt+Clay Fraction: a. It is when you start adding sugar to the water, which is what the brewer is doing by steeping malted grains in water that the density changes. If it reads lower or is off scale completely, merely adjust the indicator to read 95% using one of the methods described above. The reading that you will get is called the original gravity, often referred to as “OG”. 7 litres). If you are concerned your hydrometer is wrong, simply float it in water. 12%: ( 1. It should read 1. Read the number on the paper where the liquid crosses the stem of the hydrometer. For best results, take readings of your liquid at the reference temperature. 999 to 1. The temperature of the wort also affects the reading, which should always be taken from below the meniscus. The specific gravity reading will give you an indication of the sugar content in the liquid. Everything went well, but we didn't take a hydrometer reading prior to sealing it up in the fermenter. Liquids will “climb” up the side of the hydrometer due to the surface tension of the liquid, so measure from the level of the liquid, not where the liquid sticks to the hydrometer (see diagram). Water should always read 1. If you want the fermentation to potentially make more alcohol , just add more sugar to the wine must until the potential alcohol scale on the hydrometer reads Hydrometer Temperature Correction. The apparatus comprises a reservoir having a first end and a second end adapted to be connected to a water supply. This is also a good way to make sure you are reading the hydrometer correctly. Jun 15, 2008 · We used a True Brew IPA kit. Then, fill a container with distilled water and check the hydrometer for a reading of 000. Rh = 25 To take a hydrometer reading, simply float your hydrometer in the wine or beer and take the reading where the hydrometer sticks out of liquid. Obtain the effective hydrometer depth (L in cm) for the corrected meniscus reading from Table 4-1. You simply let the hydrometer float and read where the meniscus line is on the hydrometer. You always want to measure the specific gravity at 68° F, to ensure an accurate reading. In this example, we will assume the final specific gravity equal to 1. Feb 9, 2022 · Learn how to use a hydrometer to measure the original and final gravity of your beer and calculate the ABV. To read a hydrometer in sap, first fill a tube with the sap Apr 27, 2024 · Observe the level at which the hydrometer floats in the liquid. Transfer the liquid to a testing cylinder (one usually comes with the hydrometer). This easy equation will give you a rough idea of how much alcohol you’ve produced per unit volume. The reading should be taken at the bottom of the meniscus (see image) Oct 25, 2019 · First, your hydrometer reading on day one lets you know your wine has the right amount of sugar to ferment out and give you an alcohol content appropriate to style. ABV = (OG – FG) x 131. Remember to give the 2 hydrometer a spin to dislodge any CO bubbles that may be clinging to the hydrometer. 000 at the bottom of the meniscus. These Dec 16, 2023 · This reading shows how much the battery is charged or discharged. 75 Nov 14, 2023 · Almost all hydrometers on the market are calibrated between 60-68F. Should we pop the top and take a reading? Is there any technique to take a reading without popping the top - maybe through the airlock grommet? is it necessary at this point? A hydrometer is a tool that works by suspending it in a sample of the sap, and measuring the force of the sap’s liquid density against a specific gravity rating on the device. the ratio of the density of the liquid to the density May 18, 2023 · The hydrometer specifically measures the density of liquids, while the thermometer allows for an accurate reading of temperature which can affect gravity values. 0241kg/l. (Unfortunately, the longer the hydrometer, the longer must be the test cylinder, which means that more wort or beer will The hydrometer is an instrument which is constructed on the Archimedes principle that a solid body displaces its own weight of the liquid in which it floats. Nov 19, 2012 · 1. Using a hydrometer reading chart can help you Remember to apply your correction from your pure water reading. You need to use enough liquid to fully suspend the hydrometer. This will prevent contamination and ensure accurate readings. A hydrometer measures the amount of alcohol in a liquid. See More ›. 043 and FG is1. Its purpose is to measure the difference in gravity (density) between pure water and water with sugar dissolved in it. How do you use a hydrometer to measure alcohol? The amount of alcohol in a liquid changes the density of the solution. Jul 27, 2021 · The Hydrometer, and how to read them. May 18, 2023 · Utilizing online calculators for hydrometer reading adjustment, programs, or accessing a reliable site with a calculator can be helpful in this process. It’s important that the stem isn’t touching the sides to ensure an accurate reading. Hydrometer Analysis: Apply meniscus correction to the actual hydrometer reading. Oct 15, 2018 · Immerse the hydrometer in the liquid to a point slightly below the place where it naturally floats. 025 on the load line hydrometer means that the seawater has an actual density of 1. Likewise, a reading of 1. 55454. The scale on a hydrometer is typically divided into specific gravity units, such as potential alcohol or Brix. 05 mm to 2 mm) fall from suspension rapidly. Also, if sugar in the wort hasn’t dissolved enough or been blended well the reading will be off. A wine’s hydrometer reading will vary based on the type of wine, its sweetness, temperature, and other factors. There is the need to adjust it to actual reading in case you are taking a reading of your mash that is above 60 degrees. Typically, the scale is marked off in increments of either 1% or 2%, so it should be relatively easy to read. May 2, 2018 · This is an easy to follow video on how to read and interpret your hydrometer. Record the Original Gravity. 000. Follow the steps to test, calibrate, and read the hydrometer accurately. 9. Range: 0°C (32°F) to 40°C (104°F) Fill your hydrometer tube about 2/3” from the top with the wash/mash you wish to test. Let's unlock the power of your hydrometer. You can test an hygrometer's accuracy in two common ways: 1. 2. A pressure is applied to the liquid to cause it to flow from Apr 15, 2024 · Allow the hydrometer to settle, and then take the reading at eye level. Plain and simple water from the tap has a base density of zero. If the hydrometer isn’t floating then add more liquid. You will learn how to read all three scales on the hydrometer and the best practices for using W s = dry weight of soil used for hydrometer analysis A = correction for specific gravity (as hydrometer is calibrated for G s = 2. Range: 0. Rh = (1. If your current plain water reading sits at 0. 12%. But we record hydrometer readings by subtracting 1 from them and multiply that by 1000 and represent them as Rh. A perfectly calibrated hydrometer should read 1. Range: 0° to 100°Brix. Apr 22, 2022 · A seawater relative density reading of 1. If OG is 1. 000, and there are ways to correct it if you don’t want to constantly add to the low numbers to make it 1. 013, you can quickly calculate: 1. Aug 29, 2019 · Most hydrometers are calibrated to a reference temperature of 60°F (20°C). Step 2: Measure the final specific gravity (FG) Aug 30, 2020 · The hydrometer reading is the only way to know for sure that the fermentation has completed or if it becomes stuck. the second fermentation is almost finished but it’s stuck at 1028 this is my first batch of wine I need help Nov 4, 2019 · Saltwater aquarium enthusiasts use hydrometers to monitor the salinity or salt content of their aquariums. Ideally, the sample temperature should be equal to the temperature standard of the hydrometer, generally 60°F. In our previous example, our hydrometer read two points low at 1. 0001 specific gravity at the top of the meniscus and record it in Column 11 on the Data Worksheet. It's the red line on my hydrometer that just says 10). I checked it with my hydrometer and the reading is . 072 equals 30 ounces of sugar per gallon. Nov 20, 2020 · This video is a full tutorial of the triple scale hydrometer. Old hydrometers are calibrated to (59° F / 15° C) and newer ones are typically (68° F / 20° C). Make sure the hydrometer and liquid are at rest and free of air bubbles. Nicole stromain on August 31, 2020 at 12:06 am said: My wine sg was 1050 . 054 and the final gravity reading on bottling day is 1. The bucket's in the basement bubbling away. The best practice is to use the hydrometer when the wort or must temperature is 15°C - 59°F for lager or 20ºC - 68ºF for beer or wine. Take a reading eye level where the liquid reads on the Proofing scale. The hydrometer should measure the weight of water on the specific gravity scale as 1. 330, while a battery that is 50% discharged will have a specific gravity reading of around 1. Read the scale at the point where the liquid surface intersects with the hydrometer. 990. Your temperature also impacts the hydrometer reading; if it is The hydrometer is removed slowly and placed back into the control cylinder. The higher the specific gravity rating, the heavier the sap – and the more dissolved solids in the sap. The base hydrometer scale is Specific Gravity, in which The hydrometer will float with a reading across the top of your sample. 015. It is best to use a hydrometer test jar to take your samples. Ideally, your wine’s hydrometer should read between 0. Dimension height is 10. If the temperature of the liquid is not the same as that on the hydrometer scale, the hydrometer reading should have a correction due to temperature applied. Aug 2, 2016 · A hydrometer is an instrument used to measure the specific gravity or relative density of liquids, i. Assure the hydrometer is not in contact with the sides of the test jar. Nov 15, 2021 · Allow the thief to fill with beer or wort from the complete depth of your fermenter or carboy. Next give the hydrometer a spin using thumb and index finger. Give the hydrometer a gentle spin as you lower it down into the liquid you’re measuring. 265 specific gravity or more. 03. It provides information on how much power it has left within it and the approximate time it can deliver a sustainable power. May 7, 2021 · Steps to Use an Alcohol Hydrometer. This will remove the bubbles that may have formed. Using a ladle or measuring cup, scoop up 3/4 to 1 cup (177 to 237 ml) of your May 8, 2022 · Write down the reading you get using the hydrometer after you’ve floated it. 043 – 1. e. 9991kg/l = 1. Jul 11, 2023 · Several factors can affect the fermentation process, such as temperature, yeast strain, and sugar content – making it essential to measure both Original Gravity (OG) and Final Gravity (FG) with a hydrometer. The percentage finer than the size D is given by Where, R= corrected hydrometer reading, Ms= mass of dry soil in 1000ml suspension. In the reservoir, a liquid is placed in which the first and second ends are connected. Jan 11, 2024 · Using a sanitized siphon, wine thief, or turkey baster, take a small sample of your beer/wine/cider right before you add the yeast. This is always useful to know as you can test your hydrometer. If hydrometer reads 35 g L-1 at 22 oC, the corrected hydrometer reading is 35. 3 days ago · Insert the hydrometer in the measuring cylinder containing about 700 ml of water. Next, carefully empty the thief down the side of your hydrometer cylinder. First, you extract a sample of electrolyte from each cell in the battery. It sinks almost almost all the way down. A precision hydrometer is a brew day essential. Remember that different stages of winemaking require different hydrometer readings. Reading Specific Gravity: Insert the hydrometer into the battery cell, and draw the electrolyte solution into its tube. Take hydrometer readings after elapsed time of 1, 2, 4, 8, 16, 34, 136, & 1518 minutes. One can get help from online calculators so as to convert the readings taken either below or above 60 degrees. May 17, 2024 · Look for a hydrometer with a high level of accuracy, preferably within 0. 25 3. Oct 30, 2019 · Syrup Hydrometer: Brewing America's Made in America Maple Syrup Hydrometer with BRIX and Baume scales for making maple syrup from sap. To accurately measure the gravity of your beer, it’s important to consider the temperature correction of your hydrometer. Bubbles obscure the reading: Gently spin the hydrometer until they are released. Durability. Determination of Alcohol Content of Wash Step 3: Calculate with Temperature. The hydrometer takes this reading by floating in the liquid. 2 Estimate the hydrometer reading to the nearest 0. You can then consult the scale and find the alcohol content based on the reading. The hydrometer’s markings should read 1. Jun 5, 2020 · A quick tutorial, demonstrating how to take a density reading with a hydrometer Nov 15, 2021 · Allow the thief to fill with beer or wort from the complete depth of your fermenter or carboy. 0241 kg in a vacuum. If the reading is off, add or subtract the difference in future readings. A hydrometer is made of glass and essentially comprises two sections; A round and hollow stem with graduation marks. The difference between two readings is taken as meniscus correction (Cm) which is a constant for a hydrometer. 990 and 1. Please be careful when handling hot wort! Nov 26, 2017 · The hydrometer sticks to the side of the jar: Another annoying problem, this is best rectified by spinning the hydrometer as you drop it in. Look for a hydrometer that is made of sturdy plastic or glass, and that has a strong, durable construction. For example: if the initial reading is 13% and the final reading is 1%, then the actual alcohol content is 12% (or 13% - 1% = 12%). This formula is suitable for hydrometers with markings from 0. High quality, American-Made, easy to use. Refractometer Reading – The refractometer reading for the wine after fermentation. Testing hygrometer accuracy. 998 or lower, then you know it’s off just a few tenths. You will need to take your first measurement after the cool down, prior to pitching the yeast. Place the cylinder on a table and observe the initial reading. For example, if the hydrometer is placed water at 20°C, it will read 1. The “Quick And Dirty” Alcohol Content Equation. Correct hyrometer specific gravity readings by adjusting for wort temperature. By subtracting the final reading from the first, you get 6% minus 1% = 5% ABV. 5°C for each hydrometer reading. Temperature is the most common factor for Anyways, the original gravity was supposed to come up at about 1. The percent finer is read directly from the hydrometer when the particle density is 2. Multiply the result by 131. When you purchase the hydrometer, the manual should tell you the temperature at which the hydrometer can be used. Smaller silt sized particles (0. Float it in distilled water at the hydrometer's calibration temperature. Most hydrometers are calibrated to be most accurate at 60 degrees Fahrenheit. Jul 15, 2014 · Using a hydrometer isn’t as complicated as you might think. Put Hydrometer in, bulb end down, and spin slowly. The float inside the tube will rise to a level that corresponds with the battery’s specific gravity. 015 ) x 131 = 5. www. 0. Wrap a damp cloth on the back of the hygrometer for 6 hours. This is your initial specific gravity (OG). 025 x 0. Your aquarium hydrometer should be made of durable materials that can withstand regular use. 05 mm) remain in suspension longer, but eventually fall from Nov 4, 2021 · This is the time to take a final hydrometer reading and record it on your recipe or log sheet. Mar 28, 2018 · There are two keys to taking an accurate hydrometer reading: You must take the reading at the level of the top of the liquid sample. Typically, a reading between 1. The hydrometer method is useful only for measuring particles with a grain diameter of 2 mm or less (sands, silts, and clays). This should be done for each sample (soil checks and blanks included) at both time intervals. The indicator should then read approx. The hydrometer is calibrated at 60F, and a temperature correction is, therefore, necessary to obtain a more accurate reading. The plastic hydrometer is filled with aquarium water, causing a tethered float to rise according to salinity. If the reading is too low or too high, double-check that the wine is at the right level (6-US gallons/22. As you progress through the course of your brewing journey, be mindful of factors such as temperature fluctuations, potential drops in sugar content, and the release of carbon dioxide Jan 4, 2023 · For example, let’s say your original gravity reading on brew day is 1. Corrections to the hydrometer reading should be applied in order to obtain a precise measure of the liquid’s density. temperature. Take two readings 1–2 days apart. Read the scale at the point where the liquid’s surface intersects with the scale. Let's assume this value – the original specific gravity – is equal to 1. 77193 to 1. The sap hydrometer is read the same way as a syrup hydrometer. 25. Note: Hydrometers are normally calibrated at 20 degrees Celsius. hydrometer; shorter hydrometers may not be as accurate because the increments of the scale are spaced more closely together (to fit the stem) and become very tricky to read correctly. 265 and 1. Take note of the reading and record it for future The hydrometer used is an ASTM Type 152H (Figure 1), which reads grams of sediment in 1000ml of suspension. hydrometer reading (e. How to Use a Hydrometer for Making Mead, Wine, Cider and Beer. For example, a fully charged battery will have a specific gravity reading of between 1. . 000 mark, towards the top of the scale. The temperature range has been increased to 32-159 °F, 0-71 °C. 4. Immerse the hydrometer in the Jan 2, 2024 · Safety First: Before using a hydrometer, ensure you wear protective gear like gloves and goggles. Draw a sample: Use a clean container to draw a sample of the liquid you wish to measure. 025 - 1) x 1000. barleyandhopsbrewing. Gently spin the hydrometer. Oct 18, 2014 · Im making a 55 gallon barrel of sweet feed mash. In such a case, you should apply this formula: OG – FG. Very gently spin it in the control cylinder to remove any particles that may have adhered. Once you get this number, you should multiply it with 131 to get the ABV. Based on Stoke’s Law, it is known that sand size particles (0. 015, your ABV would be 5. 001 specific gravity. 65 g/cm3 and fluid density is 1. 72 g L-1). For example, you start with a potential alcohol by volume reading of 6%. 000, so we will have to correct for this by subtracting 2 from our specific gravity reading. 078 and mine came out, wellabout 1. Never return a sample! Subtract the potential alcohol reading at this point from the potential alcohol reading prior to fermentation. Record the temperature of the soil-water suspension to the nearest 0. The more sugar present the higher the density of the liquid. 25: (OG – FG) x 131. If your wine is still fermenting you’ll need to take the reading as fast as you can before too many bubbles collect on the hydrometer. Specific gravity can be read on the scale. 072, you need to add 10 ounces of sugar for each gallon in the batch - this is the difference between 20 and 30. 25 inches and width is . Immediately (but slowly) withdraw the hydrometer and store it in a cylinder filled with clean water. Measuring the Original Gravity of your wort and the Final Gravity of your beer with a hydrometer will not only help determine the ABV, but also give you valuable insight into the health of your brewing yeast and the effectiveness of your overall beer fermentation May 21, 2024 · Take a hydrometer reading of your homebrew before fermentation begins. Obtain the value of K from Table 4-2 if the G s of the soil is Jun 28, 2023 · Clean and dry your hydrometer: Before each use, make sure your hydrometer is clean and dry. 000 at 68° F. The hydrometer and specific gravity readings are soo important to safely and reliably making Oct 8, 2021 · A hydrometer is the easiest way to determine the gravity of your mead. Take a second hydrometer reading when your beer is ready to drink. I purchased my iSpindel on eBay from a seller in Canada for roughly half the price of the other devices available: https A hydrometer will be inaccurate if it or the measurement jar is dirty, has a lot of organic matter in it, or bubbles present. 003 for water. If the gravity reads 1. 00 g/ cm3 (see Table 1 for water density and viscosity at different temperatures). 054 – 1. After fermentation is finished, your second reading says 1%. 03 X 131 = 3. Add or subtract any additional measurements to the overall recording. The corrections are due to the variation in temperature and the differences in the specific gravity of the liquid, both of which can have an effect on the hydrometer reading. 1. 190. This is possibly the most confusing piece of gear for the homebrewer! They aren't very clear nor intuitive to read un This calculator now supports different hydrometer calibrations. Dec 16, 2015 · A hydrometer is a simple measuring tool that measures the density of liquids. 65) Therefore, A = 1. Discard the sample - DO NOT ADD TO BEER. Data Analysis. Easy to read and comes with a complete instruction sheet with easy-to-follow directions as well as a safe storage box. Subtract the FG reading from the OG reading: (OG – FG) 2. Subtract the corrected blank hydrometer reading at 40 seconds from the corrected sample hydrometer should be taken to slowly insert the hydrometer to keep disturbance to a minimum. If the reading drops between the two days, you still have an active fermentation. For example if we notice the reading 1. Dec 16, 2023 · This reading shows how much the battery is charged or discharged. Look on your hydrometer (or its instructions) and it should tell you. A one litre sample of seawater of this density will weigh 1. 048 (or 12 °Plato). Armed with this information you can see by comparing these two readings that to raise the hydrometer reading from 1. To check the calibration, simply check the gravity of distilled water at this stated temperature. A battery's state of charge is a percentage that reflects the amount of energy it stores relative to its capacity. You should take the hydrometer reading before racking or filtering the wine. However, keep in mind that different battery types and sizes may have slightly different optimal ranges. … Mar 1, 2023 · The iSpindel was born out of a desire to make a more cost-effective version of an electronic tilt measurement-based hydrometer, according to the creator, as the other offerings on the market are typically above the $100 mark. This helps shake loose any bubbles that cling to the hydrometer which will affect the reading you get. Hydrometers can be divided into two general classes; namely for liquids heavier than water and for liquids lighter than water. While the glass instrument may be used, plastic devices are safer alternatives. If your hydrometer does not give a reading of exactly 000, follow the instructions provided by the manufacturer to adjust it accordingly. 046 to 1. The more sugar in the liquid, the higher the reading. 65} Calculate corrected hydrometer reading for determination of effective length, R CL = R + F m; Determine L (effective length) corresponding to R CL given in Table 2. Bubbles can make it hard to get an accurate reading. Sanitize your hydrometer! Insert the hydrometer and record the reading. 65 x G s / {(G s – 1) x 2. Hydrometer size: NIST recommends a 14-in. 002 mm to 0. The reading on the hydrometer is taken when the water level is at its lowest point. Essentially, what is a hydrometer used for is to measure the density of liquids. 000, your hydrometer is good to go. 060. There are different models of sap hydrometers with different scales whether you want to measure raw sap or concentrate and with the required precision. You may add the test sample in the test tube then add the hydrometer if you prefer. If your hydrometer’s scale is correct, your (corrected) specific gravity reading should be 1. See the temperature correction chart. If it’s a bit on the low side, the battery is undercharged or failing. it smells real alcoholly. What is a good battery hydrometer reading? A good battery hydrometer reading is one that falls within the manufacturer’s recommended range. Procedure of Hydrometer Test Part - 1: Calibration of Hydrometer. 013 = 0. Reading the Hydrometer . Take about 800ml of water in one measuring cylinder. Your hydrometer also comes with a guide to help you calculate your ABV if you don’t have access to the Internet on brew day. Fill the test jar with the liquid in question. If the wort you're measuring is hotter than the calibration temperature, your hydrometer reading will be artificially low and needs to be corrected. 994 when fermentation is complete. It’s easy enough to take a hydrometer reading while the wine is in the primary fermentor Sep 8, 2023 · A hydrometer is an instrument that is utilized to gauge the general thickness of a fluid. Oct 25, 2019 · A hydrometer is a glass tube with a weight on one end. 93% ABV. A good hydrometer reading for wine is between 0. Running the beer or wort down the side reduces the number of bubbles present in the cylinder. May 3, 2019 · Learn how to measure specific gravity, Plato, Brix, and ABV with a hydrometer for your homebrew. Knowing the temperature of the wort is critical for reading the original gravity (OG). Hydrometers & Refractometers. Take a Wort Sample. g. Using a battery hydrometer is quite straightforward. Fill Test Jar with sample to be tested. So, if the water is warmer or cooler, the reading may be off just a Jan 31, 2021 · As another example, if your wine hydrometer had a starting reading of 13% potential alcohol and after the fermentation the reading was 1%, that means your wine currently has 12% alcohol. Note: watch for overflow of the test jar. These readings indicate the wine’s alcohol content, which is typically between 10 percent and 17 percent. But, if you’re something of a stickler for precision, and you don’t mind a little math, you may prefer to use the following equation for your alcohol content. Nov 21, 2023 · The reading is taken at the line the liquid touches on the hydrometer stem. 990 and 0. SG Reading Temperature – The temperature of the wine sample at the time of the SG reading. If it's a point or two high or low during this test, note the difference and add or subtract as appropriate when you measure with it. Nov 28, 2023 · To calibrate your aquarium hydrometer, start by thoroughly cleaning it with distilled water. 299 for a fully charged battery is considered good. Just remember, a fully charged battery should have a hydrometer reading of 1. Find out how to take accurate readings before and after fermentation, and how to avoid common pitfalls. Gently place the alcohol hydrometer in the test jar. The container should be wide and deep enough to allow the hydrometer to float without touching the sides. A sap hydrometer can be used at any temperature, water having the same density at any temperature. Just for fun, if you float the wine hydrometer in water and read the Specific Gravity scale, the surface of the liquid would cut across the hydrometer at the 1. 95%. gz yc cq xi bz zz bw fz se ju