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The cans’ rocket widget ball
A ping-pong ball-like “rocket widget” is added to the product during the canning phase at the brewery. The widget ball contains nitrogen (N2). When the can is opened, the valve inside the widget is broken and nitrogen gas is released into the beer, forming a finely-bubbled, beautiful head. The widget ball is found in Kilkenny and Guinness beer cans.
The cans’ rocket widget ball
A ping-pong ball-like “rocket widget” is added to the product during the canning phase at the brewery. The widget ball contains nitrogen (N2). When the can is opened, the valve inside the widget is broken and nitrogen gas is released into the beer, forming a finely-bubbled, beautiful head. The widget ball is found in Kilkenny and Guinness beer cans.
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