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Corn Sugar (Dextrose)

Corn Sugar (Dextrose)

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Corn Sugar, or dextrose, is used to "prime" your beer to produce natural carbonation in the bottle. "Priming" is the act of adding a small amount of fresh fermentable sugar to the beer just before bottling so that the residual yeast will consume it and produce carbonation in the sealed bottle. We recommend corn sugar for this purpose because it is easy for the yeast to consume and has a neutral flavor profile, meaning it will leave your beer tasting the way you designed it!
Use 4 or 5 oz of corn sugar to prime 5 gallons prior to bottling. Dissolve in 1-1.5 pints of water and boil for 5 minutes to sanitize prior to mixing with your beer.
If your fermentation ended at 68F it will retain about 1 volume of CO2. If it ended at 50F it will retain about 1.2 volumes of CO2. 4 oz in 5 gallons adds 1.48 Volumes of CO2. 5 oz adds 1.84 volumes of CO2 to 5 Gallons.
Suggested CO2 Levels:
  • Cask Ales 1.5 to 2.0
  • Ales 2.3 to 2.6
  • Lagers 2.4 to 2.6
  • Highly Carbonated Beers 3.0+
    • Champagne is 6.3 and requires a special bottle.
To convert from volumes to g/L:
  • multiply volumes x 1.96.
Can also be used to boost your Original Gravity without impacting the beer's flavor profile. Adds 1.042 points per pound per gallon (PPG) to your specific gravity.
  • Dextros Needed (lbs.) = (Actual Volume * (Target Gravity – Actual Gravity)) / 0.042
Community Q&A

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Back to Bottling
Zachary J on Apr 6, 2020
Need it to prime Wish the kit included a small bag Would be easier.
Brian S on Apr 3, 2020
Back to Bottling
Zachary J on Apr 6, 2020
Tiny bubbles!
Todd Casey on Apr 4, 2020
Need it to prime Wish the kit included a small bag Would be easier.
Brian S on Apr 3, 2020
I bottle my beer
Andrew D B on Apr 1, 2020
Priming sugar
Zachary F on Mar 30, 2020
I need it for my beer
Tom S on Mar 30, 2020
You don’t add this in the kit
Tim M on Mar 27, 2020
Tom N on Mar 27, 2020
Added as a kicker an fermentor.
Michael F on Mar 26, 2020
I like my beer carbonated?
Andrew M on Mar 26, 2020
Increase ABU
Peter S on Mar 26, 2020
David M on Mar 26, 2020
Forgot to buy when beer kits were purchased.
Patrick Newkirk on Mar 26, 2020
Priming sugar. Gotta have some
Dave M on Mar 25, 2020
I’m out and I need to bottle 2 batches
jeremy s on Mar 25, 2020
pound is cheaper than two smaller packs
Nora W on Mar 25, 2020
easy to carbonate bottles
reggie g on Mar 24, 2020
Best to prime beer for natural carbination.
waverly w on Mar 23, 2020
I want to increase my ABV %
Jennifer M on Mar 21, 2020
easy sugar, highly fermentable
Ryan H on Mar 21, 2020
To add Co2 to the bottles after brewing and bottling
Devyn T on Mar 21, 2020
Need it
donald w on Mar 21, 2020
Making a double IPA and using it to the the OG up.
matthew on Mar 19, 2020
Need to prime
Sean B on Mar 18, 2020
need it
Eric W on Mar 17, 2020
recipe for bottling
Frank Z on Mar 17, 2020
Need for fermentation and DIPAs
Francisco Ramos on Mar 17, 2020
make beer
Gerald S on Mar 11, 2020
Thats what I want
Frank H on Feb 27, 2020
To make my dog sneeze when he drinks my beer.
Barra M O on Feb 25, 2020
Stuck bottling for a while longer......but great product. Table sugar leaves an after taste in my opinion.
Ken K on Feb 25, 2020
Because I need priming sugar
Ryan Wayne H on Feb 24, 2020
works perfectly for carbonating beer
Laureen M on Feb 15, 2020
Making hard seltzer for the first time!
Matthew M on Feb 13, 2020
I brew drier beens and use this as an adjunct
Barry L on Feb 12, 2020
Dan C on Feb 11, 2020
first time, took a chance
Ken P on Feb 6, 2020
Use all the time
Mark c on Feb 4, 2020
i have had good luck with this for carbonating, did
Joe M on Feb 4, 2020
Empty pantry after last IPA brew day.
Mainefolks on Feb 3, 2020
Valued C on Feb 1, 2020
Vaughn G on Feb 1, 2020
brewing home beer, i hope
Daniel Costa e S on Jan 31, 2020
I have used this before
Michael R on Jan 30, 2020
cider making
James S on Jan 21, 2020
easy to use
reggie g on Jan 21, 2020
Lighten Body
JUSTIN G on Jan 21, 2020
Pretty sure I’ll be using a lot of it.
Anthony S on Jan 15, 2020
I use it for bottling.
Joseph H on Jan 14, 2020
Quinn F on Jan 13, 2020
Tiny bubbles!
Todd Casey on Apr 4, 2020
I bottle my beer
Andrew D B on Apr 1, 2020

4.8 / 5.0
15 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Looks and tastes like corn sugar
It was everything I dreamed it would be. :)
March 24, 2020
1 month ago
works as it should
Imparts no flavor, just makes for easy and efficient carbonation.
February 21, 2020
2 months ago
Great Packaging
Great Packaging for my home distilling. 2 5lbs bags work perfectly for a 5gallon wash (about 9-10% abv)
February 11, 2020
2 months ago
It’s corn sugar
It’s corn sugar, I wouldn’t know how to tell good or bad. No bugs in it, that’s got to be good right?
January 20, 2020
9 months ago
Sweet! Corn Sugar
As a home brewer you can always use a few lbs of corn sugar to use as needed.
January 20, 2020
3 months ago
Corn sugar for carbonating
Conveniently measured for my batch with instructions on the package.
December 3, 2019
5 months ago
Yee haw
Give my beer the bubbles, how fancy
December 2, 2019
4 months ago
Can never have too much of this on hand
I bottle, so I use a lot of dextrose for that alone. But I'm brewing a couple Belgians in the near future, so will burn through a few lbs. of it in the boil.
November 6, 2019
5 months ago
Priming beer!
Great for priming beer. I like using it instead of DME.
November 5, 2019
5 months ago
Great and versatile product.
Use it for bottling and to increase alcohol and lower specific gravity in IPAs.
August 13, 2019
8 months ago