Dry Malolactic Bacteria - MBR-31

Dry Malolactic Bacteria - MBR-31

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MBR 31 was chosen by the ITV in France for use in white and red wines for high activity and positive flavor characteristics. In white wines it is known for acid reduction, light buttery flavor, respect for fruit, increased body and length of finish. In red wines it is known for increasing berry fruit flavors and mouthfeel. MBR 31 is a good strain for use at temperatures as low as 15 C (59 F). Of the MBR strains, it is the most tolerant of low pH.

  • Alcohol tolerance <14% v/v.
  • SO2 tolerant <45 ppm
  • pH >3.1
  • Temperature >55 degrees F

You can't store malolactic bacteria once the package has been opened. Note: Malolactic bacteria added during the ferment will compete with the yeast for nutrients and are antagonistic to yeast, sometimes causing problems resulting in stuck or stalled fermentations. The best time to add an ML culture is after racking off the gross lees..

2.5g packet is good for 66 gal (250L)
25g bag is good for 660 gal (2,500L)

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Used Before
Doug H on Dec 14, 2022
MBR 31 works every time, very dependable.
Dale N on Oct 14, 2022
Used Before
Doug H on Dec 14, 2022
Good PH tolerance.
Cezary M on Oct 14, 2022
MBR 31 works every time, very dependable.
Dale N on Oct 14, 2022
Based on description
John s on Sep 28, 2021
good description and what seemed right
Robert H on Sep 24, 2021
Past experiences works every time and produces desired impact to wine
Mike B on Sep 21, 2021
Works with hi David. Recommended
Roberta I on Sep 13, 2021
Used before
Scott B on Sep 3, 2021
My wines have been too acidic and this particular strain may bring out the fruit of my syrah.
Manon M. C on Aug 31, 2021
try something different
Scott M on Aug 18, 2021
I am a risk taker
Don C on Jul 27, 2021
Low pH wine
Rod a on Oct 29, 2020
This will work with low PH wine
Gregory M on Sep 4, 2020
used in past
Scott C on Aug 24, 2020
Malolactic smoothes out my wines
Alvin B on Aug 5, 2020
Nice buttery profile in Whites
William Andrews on Jan 13, 2020
Improve quality of my white wines
Reginald W S on Jan 13, 2020
Used last year with great results
Sylvia k on Oct 17, 2019
used before with good results
nicola m on Sep 13, 2019
for better wine
Thomas W on Aug 28, 2019
Buttery notes
William Andrews on Aug 28, 2019
Dry form
David H on Jun 19, 2019
getting ready for next year
Marilyn P on Jan 26, 2019
Working on a Rhône blend
Caleb K on Jan 10, 2019
Buttery characteristics
William Andrews on Jan 1, 2019
Worked OK last year, also don't need to refrigerate/freeze.
Arthur on Nov 17, 2018
Has worked for me in the past, colder tolerant in my no temp controlled basement
Eric J on Oct 18, 2018
More wine representative directed me toward this product to handle low pH wine I was making
gregory r p on Oct 8, 2018
Produces buttery flavors
Craig R on Oct 1, 2018
Colder fermentation temperature for Chardonnay
Dave C on Aug 28, 2018
Easy, tolerant, quick acting malo
James D on Aug 18, 2018
Good PH tolerance.
Cezary M on Oct 14, 2022
Based on description
John s on Sep 28, 2021

5.0 / 5.0
1 Review
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1 Star
Rated 5 out of 5
Reliable direct inncoculation for Chardonnay
Excellent Mali culture. Reliable and easy for co-inoculation. Reliably finished at it just after alcoholic fermentation. Use in barrel fermented Chardonnay. Co-inoculation tames/prevents significant diacetyl. No brainer.
October 28, 2019
over 3 years ago