NullSechsNeun Bar - Lounge - Club. Simply relax and let the evening wind down: If this is exactly what you want, you should visit us. Our stylish bar 'NullSechsNeun' delights with relaxed music, a wide selection of drinks/shishas, and an inviting atmosphere in the heart of Tettnang. In good weather, we invite you to visit our sunny outdoor area. Let yourself be pampered by our shishas and the large selection of cold and hot drinks.