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Acid Test Kit
W501CS

Acid Test Kit

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Description

Used to determine the Total Acidity in a wine, the Acid Test Kit is an invaluable tool for any home winemaker. Total Acidity measurements are important to winemaking because the correct amount of acidity is key to maintaining a wine which is balanced in flavor and stable for ageing.

Kit Contents:

  • Large Reaction Vial
  • 10mL Syringe
  • 4oz of Sodium Hydroxide Reagent
  • Phenolphthalein Indicator in 1oz Dropper Jar

Reagent Stability Information:

  • Sodium Hydroxide Solution - 0.1 Normal (2 year shelf life cool & closed, 3 month shelf life cool and opened)
  • Phenolphthalein Indicator - 1.0% (5 year + Shelf life)

 

Shipping Restricted: This product is only eligible for ground shipment within the contiguous 48 states.
 
California Recipients: WARNING: Cancer - www.P65Warnings.ca.gov
 
Item # W501CS
Shipping Eligible for Free Shipping Program
Availability In Stock
Weight 0.50 LBS
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Community Q&A
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Browse 1 question Browse 1 question and 2 answers
Why did you choose this?
MoreFlavor Store
When it works, its more accurate than pH for actual acidity
Lin on Jan 4, 2023
Check ta of white wine
Gil S on Dec 2, 2022
When it works, its more accurate than pH for actual acidity
Lin on Jan 4, 2023
Need
Anthony R on Dec 9, 2022
Check ta of white wine
Gil S on Dec 2, 2022
To get the TA to assist in adjusting acid in wine
Gilbert S K on Nov 3, 2022
Price
Adrian W on Jun 21, 2022
Best product I have found
Kathy S on Jun 17, 2022
I have used this product before and it works.
Joseph D V on Nov 19, 2021
Check wine acidity
Barb K on Nov 5, 2021
Tax exempt
Jeffrey S on Nov 4, 2021
What happened to the fast and free shipping I was supposed to get?
John P on Sep 22, 2021
I need it for a future project
Chris C. on Mar 19, 2021
Need TA level of my wine- affordable
Valued C on Mar 11, 2021
simple TA measure multiple times
James R on Oct 9, 2020
used it in the past
paskel m on Sep 3, 2020
Good product, reliable.
Rocco S. Cuva J on Aug 27, 2020
Curious
Krista H on Aug 20, 2020
easy to use with my PH meter
John Nolte on Aug 5, 2020
need fresh solutions
Timothy K on Jun 17, 2020
reviews
don i on Mar 24, 2020
Recommend by the home winemaking channel in youtube
John R on Feb 12, 2020
They were out of just the sodium hydroxide
Randy L. Fox on Dec 24, 2019
Check against this new product - Economy Aeration-Oxidation Free SO2
Jennifer Lee S on Oct 16, 2019
TO MAKE MEAD
Bryan C on Oct 10, 2019
to check TA
David V on Oct 7, 2019
Great Price
Mike on Aug 28, 2019
Inexpensive
Stewart B on Sep 24, 2018
for backup to Vinmetrica 300
Gary J on Sep 21, 2018
price
Chris P on Sep 19, 2018
simplicity, price
Vicki M on Sep 5, 2018
works
John O on Aug 10, 2018
For cider making now that my bittersweet trees are producing, time to get serious
David M on Aug 8, 2018
Thought I'd try it
Valued C on Aug 4, 2018
Need
Anthony R on Dec 9, 2022
To get the TA to assist in adjusting acid in wine
Gilbert S K on Nov 3, 2022
What does it mean if my white wine with three drops of Phenolphthalein Indicator will not even turn pink at all? It's not that it turns pink and disappears like it is supposed to, it does not even turn pink for a second. I added another 3 drops of indicator and still nothing (not sure if that would effect my end results or not, just wanted to try). I ran the test on my red and it worked fine. I got by grey/green color.
Patti D on Feb 19, 2021
BEST ANSWER: how much base did you add in an attempt to get it to turn pink?
Reviews
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4.4 / 5.0
7 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
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Rated 5 out of 5
A good test for the cost. Easy to use.
September 29, 2021
Purchased
 over 3 years ago
Rated 5 out of 5
Perfect test kit. Only thing i recommend is either having the chemical in a shorter bottle or the syringe with an adaptable/removable tip.. because you can pull the chemical from its container with the syringe- you must pour the chemical into a secondary container to then fill the syringe.
September 16, 2021
Purchased
 over 3 years ago
Rated 5 out of 5
Super Easy to Use
Very happy to have this test added to my wine making Arsenal. I am confident using and happy with the test results.
October 22, 2020
Purchased
 over 4 years ago
Rated 3 out of 5
Useful starting point
This kit works, but once you understand how to do the test, it's much easier to use a pH meter. All you need is Sodium Hydroxide, a few syringes, and a pH meter. You'll get more accurate results if you use a larger volume, and you can get those components cheaper on their own.
April 9, 2020
Purchased
 over 4 years ago
Rated 4 out of 5
Reasonably accurate
The test kit is much more accurate than the colorimetric test paper type kits. The syringe used to measure wine volume and volume of sodium hydroxide titrant is not particularly accurate. A much higher degree of accuracy is possible if a pipet is used to measure wine volume and a buret is used to measure the volume of sodium hydroxide required to neutralize the acid. The phenolphthalein indicator works well for white wine but the endpoint (color change) is not distinct in red wine. I recommend using a pH meter and neutralizing to pH 8.2 rather than using an indicator. The sodium hydoxide solution should not be left open any longer than required. Carbon dioxide in the air reacts with sodium hydroxide, reducing the effective NaOH concentration which would result in a higher acidity value than the wine actually has.
December 16, 2019
Purchased
 over 5 years ago
Rated 5 out of 5
TA kit
This kit is a step above most of the others. Easier to read color change in large container because the lid allows quick mixing while waiting to see the change. Large enough for inserting probe from pH meter which takes the guess work out of finding the endpoint.
November 7, 2019
Purchased
 over 5 years ago
Rated 4 out of 5
Manual TA test kit
It works much better than the Vinmetrica SC-300, at least I can get a more accurate reading as to the acid value.
October 5, 2018
Purchased
 over 6 years ago
 
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