I've always been a huge fan of Brewdog. They create great quality, consistent beers and make them accessible to a wide audience. I also respect their values beyond creating great beer - for example striving to become the world's first carbon negative brewery. They've done a lot to push the brewing industry forward in terms of recipe innovation and packaging. I'll never forget the ludicrously strong 57.8% Strength in Numbers. Sure it's a gimmick, but it's also an interesting experiment of how far you should take beer strength.
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