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Measuring & Testing Wine

Throughout the entire winemaking process it's important to test our wines to make sure they are healthy and are progressing as we would like. MoreWine! highly recommends testing wine for the following:

  • TA testing measures the amount of total acids in the wine or must.
  • pH testing gives you an idea of how the wines acidity will be perceived when we drink it. A pH measurement is done using a special meter that measures the relative balance of the acidity as it relates to the buffers (mostly Potassium) naturally found in a wine or must.
  • Sugar testing is done to measure the amount of sugar in a wine or must. This amount is important to know because wines that contain residual sugar (not "dry") need to be stabilized before being bottled or you may have spoilage and re-fermentation problems later in the wines' life.
  • SO2 testing is a critical tool to being able to properly protect your wine from oxidation and spoilage organisms. SO2 levels should be properly maintained throughout the entire ageing period right up until the wine is bottled. (Complete information on SO2 management can be found in our SO2 Management Paper!)
  • Malolactic Chromatography testing is used to monitor the completion (or presence of) of malolactic fermentation in the wine. Any wine that has residual malic acid is considered unstable and will need to be stabilized correctly before being bottled or you run the risk of possible renewed fermentation after the wine is in the bottle which spoils the wine.
  • Temperature testing is important at all stages of winemaking: from helping make sure fermentation temperatures don't get too hot, to maintaining the recommended ageing/storage temperatures that will ensure the best development of your wine!

Complete information on testing wine can be found in our Red Winemaking manual, our White Winemaking Manual and in the MoreWine! MoreManuals section of our website!

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215 products

  • Fermentap Thermometer (3in. Face x 6in. Probe)

    Fermentap Bi-Metal Dial Thermometer (3 in Face x 6 in Probe)

    5 reviews

    A great thermometer at a great price! These thermometers have a 3" Face, a 6" Probe, and a 1/2" MPT on the back. Please see our MT512 for the same thermometer with a 2.5" probe. The 2.5" Probe short probe is great in any tank where you may punch down. Standard Features: -All Stainless Construction -Fast Response to Temperature Change -Hermetically Sealed (Moisture Proof) -Within 1% Full Scale Accuracy -Easily Calibrated With a Flat Head Screwdriver -316 Stainless Steel Stem Material Temperature range is 20-240F and 0-110C. Calibration screw is 1/16th" hex nut.

    $22.99

  • pH 7 Buffer (500 mL)  (Hanna# HI7007L)

    Hanna pH 7.01 Buffer - 500 mL (Hanna# HI7007L)

    HI7007L is a premium quality pH 7.01 buffer solution. With lot number and expiration date clearly marked on the label and an air tight, tamper-proof seal to ensure the quality of the solution, Hanna’s line of pH calibration solutions are an easy way to get great pH measurements every time. Air tight bottle with tamper-proof seal for quality. Color coded label for easy identification of ph 7 buffer value. Perfect for routine maintenance to ensure accurate readings while extending the life of the electrode. Our pH Technical Buffer Solutions are dedicated to measurements that require extremely accurate pH monitoring, and come with a certificate of analysis prepared by comparison against NIST standards. Our pH Technical Buffer Solutions are dedicated to measurements that require extremely accurate pH monitoring, and come with a certificate of analysis prepared by comparison against NIST standards. Air tight bottle with tamper-proof seal Ensures quality and freshness of solution Each bottle marked with lot number and expiration date. Hanna buffers are specially formulated to have an expiration of 5 years from manufacture for an unopened bottle. Color coded label for easy pH buffer value identification Easy to identify different buffer values    

    $22.00

  • Magnetic Stir Bar - Replacement (large)

    Magnetic Stir Bar (2in) - Replacement (large)

    29 reviews

    The best choice for large flasks. Two inches in length.

    $10.99

  • Erlenmeyer Flask - 5000 ml Erlenmeyer Flask - 5000 ml

    Erlenmeyer Flask (5000 ml)

    89 reviews

    The perfect container for rehydrating yeast or mixing up additions. Erlenmeyer flasks allow you to swirl your yeast or acid, tannins, nutrients, etc. into solution. The clear glass allows you to see when the solution is fully mixed. In the lab world, these are known as "Student Grade" Made from Borosilicate glass, it can be rapidly heated or cooled without the risk of cracking. Features Massive 5L (5000ML) Capacity Made from Borosilicate Glass Fantastic price for a flask of this size Kegland Part Number: KL04008

    $49.99

  • pH 4.01 Calibration Solution (500mL) (Hanna# HI7004L)

    Hanna pH 4.01 Calibration Solution - 500mL (Hanna# HI7004L)

    HI7004L is a premium quality pH 4.01 buffer solution. With lot number and expiration date clearly marked on the label and an air tight, tamper-proof seal to ensure the quality of the solution, Hanna’s line of pH calibration solutions are an easy way to get great pH measurements every time. Air tight bottle with tamper-proof seal for quality. Color coded label for easy identification of pH buffer values. Perfect for routine maintenance to ensure accurate readings while extending the life of the electrode. Our pH Technical Buffer Solutions are dedicated to measurements that require extremely accurate pH monitoring, and come with a certificate of analysis prepared by comparison against NIST standards. Our pH Technical Buffer Solutions are dedicated to measurements that require extremely accurate pH monitoring, and come with a certificate of analysis prepared by comparison against NIST standards. Air tight bottle with tamper-proof seal Ensures quality and freshness of solution Each bottle marked with lot number and expiration date. Hanna buffers are specially formulated to have an expiration of 5 years from manufacture for an unopened bottle. Color coded label for easy pH buffer value identification Easy to identify different buffer values    

    $22.00

  • Electrolyte Solution for pH/ORP Electrodes - 30mL (Hanna# HI 7082)

    Electrolyte Solution for pH/ORP Electrodes - 30mL (Hanna# HI7082)

    .30M KCl (potassium chloride) solution for refillable pH/ORP electrodes. Fresh electrolyte solution ensures accurate calibration and measurement with your pH meter. For best results, electrolyte should be replenished or completely replaced every 3-6 months. To Use: Wearing Gloves, Drain existing electrolyte solution from the electrode by shaking upside down over the sink. You may need to use the tip of a small pipette or a syringe to break the surface tension of the liquid. Using the same pipette or syringe, replace the solution you just drained with a fresh lot from the bottle. Store capped and refrigerated and out of the reach of children.  

    $74.99

  • Calibration Solution for MT693 - 120mL(Hanna# HI 84500-55)

    Hanna Calibration Solution for Titrator - 120mL (Hanna# HI 84500-55)

    The HI84500-55 is a 120 mL bottle of pump calibration standard that is used to calibrate the dosing system of the HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis. A calibrated dosing pump allows for the accurate determination of the amount of titrant used when performing a titration. The amount of volume dosed along with the concentration of the titrant is used by the pre-programmed formula within the HI84500 in determining the exact concentration of sulfur dioxide. The pump calibration procedure should be performed anytime the titrant or ORP electrode is replaced. Standardized solution Clearly marked expiration date and lot number Air tight bottle with tamper-proof seal to ensure quality Analysis of sulfur dioxide in wine, as performed on the HI84500 mini titrator, utilizes a simple sample preparation, a high quality titrant dosing pump, potentiometric endpoint detector, and automatic computations. To maintain the high precision of the titrator, a simple pump calibration procedure is performed with HI84500-55 pump calibration solution. The pump calibration procedure involves the analysis of a known volume of a known solution. The pump calibration procedure should be performed anytime the titrant, syringe, tubing or ORP electrode is replaced. Periodic calibrations should be performed in order to accurately determine the free and total sulfur dioxide levels in wine.   The HI84500 determines the free and total sulfur dioxide concentration in wine using the Ripper method. Excess iodide is added to the wine sample and reacts with the iodate titrant to produce iodine:   IO3- + 5I- + 6H+ → 3I2 + 3H2O   The iodine produced reacts with sulfur dioxide in the wine according to the redox reaction below:   H2SO3 + I2 → H2SO4 + 2HI   Replacement reagents required to operate the HI84500 include:   Low Range - 1.0 to 40.0 ppm SO2 High Range - 30 to 400 ppm SO2 Pump calibration standard HI84500-55 HI84500-55 Titrant solution HI84500-50 HI84500-51 Acid reagent HI84500-60 HI84500-60 Alkaline reagent (Total SO2) HI84500-61 HI84500-61 Stabilizer powder packets HI84500-62 HI84500-62    

    $49.99

  • pH 3.00 Technical Calibration Buffer (500 mL)

    Hanna pH 3.00 Technical Calibration Buffer (500 mL) (Hanna# HI5003)

    HI5003 is a premium quality pH 3.00 technical calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna's line of technical calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle. Supplied with Certificate of Analysis Accuracy of +/- 0.01 pH @ 25°C Temperature chart of the actual pH value at various temperatures printed on each bottle HI5003 is a premium quality pH 3.00 technical calibration buffer produced in accordance with ISO 3696/BS3978 standards, using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with certified thermometers. Reported values are accurate to +/- 0.01 pH @ 25°C and are traceable to NIST Standard Reference Materials (SRM).   The HI5003 is supplied with certificate of Analysis Product code Lot number Mean lot value SRM’s that were used Manufacturing date Expiration date   Color coded label for easy pH buffer value identification Easy to identify different buffer values Solution does not contain any dyes that may stain the reference cell of a pH electrode.  Premium quality pH 3.00 technical calibration buffer that is NIST traceable and supplied with a COA Accuracy of +/- 0.01 pH @ 25C Temperature chart of the actual pH value at various temperatures printed on each bottle Solution does not contain any dyes that may stain the reference cell of a pH electrode      

    $34.99

  • Fermentap Thermometer (3in. Face x 2.5in. Probe)

    Fermentap Bi-Metal Dial Thermometer (3 in Face x 2.5 in Probe)

    22 reviews

    A great thermometer at a great price! These thermometers have a 3" Face, a 2.5" Probe, and a 1/2" MPT on the back. The 2.5" Probe short probe is great in any tank where you may punch down. Please see our MT514 for the same thermometer with a 6" probe. Standard Features: -All Stainless Construction -Fast Response to Temperature Change -Hermetically Sealed (Moisture Proof) -Within 1% Full Scale Accuracy -Easily Calibrated With a Flat Head Screwdriver -316 Stainless Steel Stem Material Temperature range is 20-240F and 0-110C. Calibration screw is 1/16th" hex nut.

    $34.99

  • Foldable Instant Read Digital Thermometer Foldable Instant Read Digital Thermometer

    Folding Instant Read Digital Thermometer

    14 reviews

    Digital instant read thermometer. Reads in both °F/°C. Requires one AAA battery (not included).

    $12.49

  • Hydrometer - Brix (0 - 10) With Correction Scale Hydrometer - Brix (0 - 10) With Correction Scale

    Brix Hydrometer (0 to 10) With Correction Scale

    Precise hydrometer for measuring the sugar content and progress of fermentation in wine ferments. Comes with a thermometer/correction scale built-in. Please Note: Due to the large size of this hydrometer, it does not work with our standard 11" or 14" hydrometer jars. We recommend using our 500mL Graduated Cylinder (MT636D) with this hydrometer.  

    $30.99

  • Erlenmeyer Flask - 3000 ml

    Erlenmeyer Flask (3000 ml)

    17 reviews

    The perfect container for rehydrating yeast or mixing up additions. Erlenmeyer flasks allow you to swirl your yeast or acid, tannins, nutrients, etc. into solution. The clear glass allows you to see when the solution is fully mixed. In the lab world, these are known as "Student Grade" Made from Borosilicate glass, it can be rapidly heated or cooled without the risk of cracking. Features 3L (3000ML) Capacity Made from Borosilicate Glass Fantastic price for a flask of this size Produced for MoreWine! Kegland Part Number: KL03995

    $29.99

  • Hydrometer - Brix (10 - 20) With Correction Scale Hydrometer - Brix (10 - 20) With Correction Scale

    Brix Hydrometer (10 to 20) With Correction Scale

    Precise hydrometer for measuring the sugar content and progress of fermentation in wine ferments. Comes with a thermometer/correction scale built-in. 15" total length. Please Note: Due to the large size of this hydrometer, it does not work with our standard 11" or 14" hydrometer jars. We recommend using our 500mL Graduated Cylinder with this hydrometer.    

    $30.99

  • Test Tube - Polystyrene (17mm x 100mm)

    Test Tube - Polystyrene (17mm x 100mm)

    Test Tube - Polystyrene (17mm x 100mm)

    $1.29

  • BrewBuilt Thermometer - 6" stem x 3" dial, 1/2" MPT BrewBuilt Thermometer - 6" stem x 3" dial, 1/2" MPT

    BrewBuilt® Thermometer | 3" Dial Face | 6" Probe

    BrewBuilt Bi-Metal Thermometers are top-of-the-line measuring instruments, made in the USA by Tel-Tru manufacturing.  Maintain the overall precision of your brew system with these incredibly accurate and generally superior thermometers.  These are produced according to strict standards, comparable to ISO9000 quality, and are set up with an 8 year manufacturers warranty boasting that quality. Bi-metal thermometers are the level of quality you want when a few degree difference results in a completely different malt profile on your beer.  While a bit more expensive, you won't ever mess up a batch because of incorrect temperature readings.  The 6" Stem here is perfect for Mash Tuns, as it will reach further into the mash to get a more representative reading. Are all bi-metal thermometers created equal? Not really. The problem with most bi-metal thermometers is that hang ups occur and you have to tap the thermometer to get an accurate reading. The cause of the problem is that the bimetallic helical coil in the stem of other bi-metal thermometers is tack welded to the stem itself. Our new line of thermometers feature a super sensitive bimetallic helical coil suspended from a copper coated bushing fixed in the stem. This superior design provides a faster response to temperature changes and assures more accurate readings. What does this mean? You don't have to tap the gauge with your finger as much. They are also accurate to 1% of the total range, feature a polished 3" 304 s/s housing, a hermetically sealed water proof case, glass face, external calibration capabilities, and a unique anti-parallax dial that provides for easy reading. The reading is actually taken from the last 2.5" of the probe. Features: Large 3" Dial Face for easy readings 6" Stem perfect for Boil Kettles and HLTs High Grade Stainless Steel Construction and hermetically sealed casing Can be calibrated with 1/16" Allen Wrench (Though should never be needed) Dual Scale Range: 0-220° F, -10 to 100° C Back Connection is 1/2" MPT, stem is 1/4" SS 8 year Manufacturer Warranty  

    $59.99

  • Electrode Storage Solution (500 mL)  (Hanna# HI70300L)

    Hanna Electrode Storage Solution - 500 mL (Hanna# HI70300L)

    HI70300L is an electrode storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes.  Properly storing your pH electrode in a solution keeps the glass membrane well hydrated which maintains proper function and provides accurate readings. Special formulation to minimize bacterial growth on your electrode. Clearly marked expiration date and lot number for traceability. Designed for storing any pH or ORP electrode. HI70300L is a specially formulated electrode storage solution that can be used to store your pH electrode*. To ensure the best response time, the sensor tip and the reference junction of the pH electrode should be kept moist when not in use. Placing the pH electrode in a small glass filled with storage solution or replacing the solution in the protective cap is an easy way to store the electrode. The HI70300L should also be used to rehydrate the electrode after cleaning by soaking for at least one hour before taking measurements. Air tight bottle with a tamper-proof seal Ensures quality and freshness of solution Each bottle marked with lot number and expiration date. Hanna pH storage solutions are specially formulated to have an expiration of 5 years from manufacture for an unopened bottle.      

    $22.00

  • Zahm & Nagel CO² Volume Meter

    Zahm & Nagel CO² Volume Meter

    1 review

    The Zahm SS-60 Volume Meter was developed to determine average CO² levels of gas in tank stored beverages. Its improved design over the older Zahm-Hartung Volume Meter (Series 2000) greatly improves accuracy and time required to run a test. A precise piston release mechanism eliminates bleeding off of the sample and the potential for human error. Samples undergo repeatable, precise volumetric expansion test after test for more accurate measurements. The lightweight design reduces operator fatigue while the stainless steel construction increases strength and resists corrosion. The thermometer may also be replaced in the field without the need to return it to the factory for replacement. The parts list and line drawing should be used when ordering replacement parts or operating the instrument.  

    $1,825.00

  • Funnel - Funnel Screen - Ferrari - Fits 40 cm Funnel (BE479)

    Funnel Screen | Fits 40 cm Funnels | Ferrari

    2 reviews

    Plastic funnel screen for use with 40 cm plastic funnels (BE479). Snaps into the specially designed groove in the base of the funnels to filter out solids and small particles. Fits Ferrari brand funnels. Not compatible with Vintage Shop brand funnels.

    $5.49

  • Thermometer - Glass (12 in.)

    Glass Thermometer - 12 in.

    2 reviews

    An underrated piece of brewing equipment! Use this inexpensive, yet accurate thermometer to make sure your other thermometers are giving you the right reading. Spirit filled with a 0-220°F range. Optional thermometer shield available.  

    $8.79

  • Tilt Hydrometer and Thermometer - Blue Tilt Hydrometer and Thermometer - Blue

    Tilt™ Hydrometer and Thermometer - Blue

    20 reviews

    Designed for homebrewing, the Tilt hydrometer lets you instantly read your brew's specific gravity and temperature on your compatible Apple iPhone/iPad or Android smartphone/tablet or Tilt Pi. Most Bluetooth 4.0+ devices will work with the Tilt. You can then optionally log data to the cloud using their free Google Sheets template or other 3rd party cloud platforms. Tilt's goal is to help homebrewers brew better beer. The Tilt hydrometer allows you to check the specific gravity and temperature of your beer while it's fermenting, without ever having to open your fermenter or pour out any of your precious brew. This makes brewing more consistent and easier to track. Here are some of the new features of the Tilt: Range: Better reception and range. With the increased transmission power your Tilt will send data through larger, thicker-walled fermenters. Precision: Upgraded sensors. With an improved temperature sensor and accelerometer your Tilt will operate with more precision.   Efficiency: Reduced power consumption so more brews, less battery changing. New Look: Newly designed custom circuit board and harness. If using multiple Tilt hydrometers for different batches of fermenting beer you must use a different color for each batch. The app will not read multiple hydrometers of the same color. Each Tilt comes calibrated and ready to go with a pre-installed battery that lasts 12-24 months depending on usage. Just download the free app, sanitize your Tilt, drop it in your fermenter, and start taking readings with your phone, tablet, or Tilt Pi. The specific gravity is accurate +/- 0.002 within the Tilt's range of 0.990 to 1.120. The thermometer is accurate +/- 1°F (+/- 0.5°C). Download the free Tilt app at the Apple App Store or Google Play Store or get the free Tilt Pi download.  

    $135.00

  • General Purpose pH Electrode Cleaning Solution (500mL) (Hanna# HI7061L) General Purpose pH Electrode Cleaning Solution (500mL) (Hanna# HI7061L)

    General Purpose pH Electrode Cleaning Solution - 500mL (Hanna# HI7061L)

    HI7061L is a general purpose cleaning solution for use with pH and ORP electrode that can be used for a variety of applications. pH electrodes become dirty with use and can produce inaccurate results. Use our General Purpose pH Electrode Cleaning Solution to prolong the life of your electrode and ensure accurate readings. Specially formulated for cleaning pH and ORP electrodes Clearly marked expiration date and lot number for traceability. Air-tight seal to ensure the quality of the solution The most common cause for pH measurement inaccuracies is an unclean or improperly cleaned electrode. This is very important to note, because during calibration, the instrument assumes that the electrode is clean and that the standardization curve created during the calibration process will remain a valid reference until the next calibration. pH meters on the market today will allow an offset voltage of approximately ±60 mV. The deviation from 0 mV is not unusual but ideally should be no greater than ±30 mV. The calibration process compensates for the change in offset voltage. If the mV offset continues to deviate and the meter is calibrated with a dirty electrode then inaccurate readings will result. Cleaning is a fast and effective routine that should be performed on a regular basis as a preventative measure against using a dirty electrode and to ensure that the junction is not clogged. By simply immersing the electrode in the HI7061L cleaning solution for 15 to 20 minutes will dissolve any mineral deposits or other coatings.   Air tight bottle with tamper-proof seal Ensures quality and freshness of solution Each bottle marked with lot number and expiration date. Hanna cleaning solutions are specially formulated to have an expiration of 5 years from manufacture for an unopened bottle.    

    $22.00

  • 1000 mL Reagent Bottle 1000 mL Reagent Bottle

    Reagent Bottle (1000 mL)

    6 reviews

    This reagent bottle is made from durable borosilicate perfect for storing anything you need. Borosilicate is great because unlike ordinary glass it won't crack with rapid changes in temperature.  

    $17.99

  • Tilt Hydrometer and Thermometer - Red Tilt Hydrometer and Thermometer - Red

    Tilt™ Hydrometer and Thermometer - Red

    11 reviews

    Designed for homebrewing, the Tilt hydrometer lets you instantly read your brew's specific gravity and temperature on your compatible Apple iPhone/iPad or Android smartphone/tablet or Tilt Pi. Most Bluetooth 4.0+ devices will work with the Tilt. You can then optionally log data to the cloud using their free Google Sheets template or other 3rd party cloud platforms. Tilt's goal is to help homebrewers brew better beer. The Tilt hydrometer allows you to check the specific gravity and temperature of your beer while it's fermenting, without ever having to open your fermenter or pour out any of your precious brew. This makes brewing more consistent and easier to track. Here are some of the new features of the Tilt: Range: Better reception and range. With the increased transmission power your Tilt will send data through larger, thicker-walled fermenters. Precision: Upgraded sensors. With an improved temperature sensor and accelerometer your Tilt will operate with more precision.   Efficiency: Reduced power consumption so more brews, less battery changing. New Look: Newly designed custom circuit board and harness. If using multiple Tilt hydrometers for different batches of fermenting beer you must use a different color for each batch. The app will not read multiple hydrometers of the same color. Each Tilt comes calibrated and ready to go with a pre-installed battery that lasts 12-24 months depending on usage. Just download the free app, sanitize your Tilt, drop it in your fermenter, and start taking readings with your phone, tablet, or Tilt Pi. The specific gravity is accurate +/- 0.002 within the Tilt's range of 0.990 to 1.120. The thermometer is accurate +/- 1°F (+/- 0.5°C). Download the free Tilt app at the Apple App Store or Google Play Store or get the free Tilt Pi download.  

    $135.00

  • Hydrometer - Brix (20- 30) With Correction Scale Hydrometer - Brix (20- 30) With Correction Scale

    Brix Hydrometer (20 to 30) With Correction Scale

    Precise hydrometer for measuring the sugar content and progress of fermentation in wine ferments. Comes with a thermometer/correction scale built-in. Please Note: Due to the large size of this hydrometer, it does not work with our standard 11" or 14" hydrometer jars. We recommend using our 500mL Graduated Cylinder with this hydrometer.  

    $30.99

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