Lemon-flavoured sparkling water The canned Seltzer Waters that became a huge hit in the United States are now in Finland! Laitilan Seltzer Water Lemon Sour is a refreshingly juicy lemon drink. This full-bodied, lively sparkling beverage quenches your thirst in the most delicious way. Laitilan Seltzer Water contains no calories, no sugar, no sweeteners, no colourings, no preservatives! Best served chilled. The product contains natural lemon oil, and a slight trace of aroma may appear on the surface of the drink.