How much priming sugar for mini keg?
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Not much, for a 1.3 gallon (5L) mini keg 12 grams (about 1.5 tablespoons) is enough priming sugar for mini keg.
I love these mini kegs for homebrew and have been experimenting with them for years.
Over the years I have found that you don’t need as much priming sugar as you would typically need for a 1.3 gallon batch.
I believe its due to the fact that all of the beer is in one single container.
Either way, I have tested using more or less sugar and 12 grams seems to be the sweet spot!
Here’s a video for more information:
Note: In my tests I have always used corn sugar. If you use a different priming sugar you should see an online calculator for a conversion.
Below I have converted 12 grams of corn sugar to other commonly used priming sugars. Keep in mind I have not used most of these but according to the online conversion calculator it should work.
Table Sugar: 0.4 oz.
Corn Sugar: 0.4 oz.
DME – All Varieties: 0.5 oz.
Belgian Candy Syrup: 0.6 oz.
Belgian Candy Sugar: 0.5 oz.
Black Treacle: 0.4 oz.
Brown Sugar: 0.4 oz.
Corn Syrup: 0.5 oz.
Demarara: 0.4 oz.
DME – Laaglander: 0.7 oz.
Honey: 0.5 oz.
Invert Sugar Syrup: 0.4 oz.
Maple Syrup: 0.5 oz.
Molasses: 0.5 oz.
Rice Solids: 0.5 oz.
Sorghum Syrup: 0.5 oz.
Turbinado: 0.4 oz.
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Additional thoughts
I have heard hombrewers adding too much priming sugar for mini keg has warped or disfigured the mini kegs.
So far I haven’t heard of them exploding but i assume it is a possibility. For that reason I always test and use less sugar to start.
I’m not trying to scare you but after brewing for years I have not had an explosion however I have had under carbonated beer. In my opinion I would prefer a little less carbonation than a huge mess!
If you like this you might enjoy my Mini Keg Tap System with Ball Locks. This allows homebrewers to force carbonate their mini keg.
Thanks and happy brewing!
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