2 Capitalisation
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In dutchDutch the names mean double and triple, they originated at the belgianBelgian Westmalle abbey/ brewery where the double was a strong brown ale. Their tripel was the name they gave to their strongest beer, a blonde pale ale  . 

These beers quickly became popular and were imitated worldwide as were their names. The convention now is as following, a dubbel is a strong (6%-8% abv) dark ale, a tripel is a strong pale ale in the style of Westmalle tripel (9.5%). A Quadrupelquadrupel is an ale stronger than a tripel (+10%) but beyond that there is no real agreement on what it should be. Westvleteren 12 is an example of a quadrupel.

In dutch the names mean double and triple, they originated at the belgian Westmalle abbey/ brewery where the double was a strong brown ale. Their tripel was the name they gave to their strongest beer, a blonde pale ale  . These beers quickly became popular and were imitated worldwide as were their names. The convention now is as following, a dubbel is a strong (6%-8% abv) dark ale, a tripel is a strong pale ale in the style of Westmalle tripel (9.5%). A Quadrupel is an ale stronger than a tripel (+10%) but beyond that there is no real agreement on what it should be. Westvleteren 12 is an example of a quadrupel.

In Dutch the names mean double and triple, they originated at the Belgian Westmalle abbey brewery where the double was a strong brown ale. Their tripel was the name they gave to their strongest beer, a blonde pale ale. 

These beers quickly became popular and were imitated worldwide as were their names. The convention now is as following, a dubbel is a strong (6%-8% abv) dark ale, a tripel is a strong pale ale in the style of Westmalle tripel (9.5%). A quadrupel is an ale stronger than a tripel (+10%) but beyond that there is no real agreement on what it should be. Westvleteren 12 is an example of a quadrupel.

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In dutch the names mean double and triple, they originated at the belgian Westmalle abbey/ brewery where the double was a strong brown ale. Their tripel was the name they gave to their strongest beer, a blonde pale ale . These beers quickly became popular and were imitated worldwide as were their names. The convention now is as following, a dubbel is a strong (6%-8% abv) dark ale, a tripel is a strong pale ale in the style of Westmalle tripel (9.5%). A Quadrupel is an ale stronger than a tripel (+10%) but beyond that there is no real agreement on what it should be. Westvleteren 12 is an example of a quadrupel.