A carbonation system includes a carbonation head to carbonate a liquid in a bottle and a pressure release unit to steppably release excess pressure from the bottle after carbonation. Another carbonation system operates for multiple types of drinks. It includes a carbonation head to carbonate a drink in a bottle, a controllable valve and a multi-drink controller to control at least the valve to steppably release excess pressure from the bottle after carbonation as a function of the type of drink in the bottle.