Blueberry Sour Raspberry: It is tantalising vape experience with a fruity aftertaste that combines sweet and sour notes of blueberries with tart raspberries to create a tantalising vape experience. Bar Series 10ml Nic Salt E-Liquid Vape Juice 10mg/20mg Nicotine | 50VG/50PG | UK | New Flavours |.