Grimbergen Optimo Bruno Details: Brewery: Alken-Maes Country: Belgium Style: Belgian Style, Special Alcohol Content: 9.99 % Added By: Jeroen On April 21, 2017 Grimbergen Optimo Bruno is a Belgian beer, it has an alcohol content of 9.99%. Share: Grimbergen Optimo Bruno Alken-Maes Global Rating: Overall Taste: Bitter: Sweet: Fruity: Spicey: Sour: 0 0 Your Rating: Overall Taste: Bitter: Sweet: Fruity: Spicey: Sour: