AISU Nic Salt By ZAP! Aisu Nic Salts vaping liquids range by Zap Juice are inspired by Japanese desserts available now in 20mg Nic Salt. A perfect blend for MTL ( Mouth To Lung ) vaping! Blackcurrant : The Aisu Salts Blackcurrant Nicotine Salt Eliquid 10ml bottle features a fantastic fusion between ripe blackcurrants and ice, creating a delicious frosty and fruity flavour.