I bottled about a month and a half ago. Every bottle I tried has had no carbonation. But I just opened up a bottle and it was over carbonated, and it almost exploded out of the bottle. I had this problem with another batch last year. Almost all the bottles had no carbonation but I had a few bottle bombs. Could it be that the priming sugar didn't mix enough in the bottling bucket and it all just went into a few bottles?

  • It does sound that way, yes. How are you adding your priming sugar?
    – object88
    Jun 16, 2013 at 5:42

1 Answer 1


It does sound like your priming sugar wasn't mixed very well. That said, if the flat bottles are sweet to the taste there's something else afoot.

When I bottle I usually mix a cup of water with 3/4 cup of corn sugar and stick it in the microwave for a couple minutes to boil it. I then let it cool for a while before pouring the solution into the bottom of the bottling bucket before racking the beer. After that, I gently stir the sugar into the beer with the auto-syphon before filling any bottles.

  • Thanks, how long do you let it cool? I boiled my sugar on the stove and let it cool for about 1/2 hour and dumped it in the bottling bucket. When I siphoned the beer to the bottling bucket I didn't mix it with the siphon, I just siphoned it in the bottling bucket and racked it. I'll be more careful next time. Jun 27, 2013 at 1:27

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