Government Tax on Vape Liquids Has Sent Quitters Back to Smoking It will double the typical cost of a 10ml bottle of liquid for reusable vapes from 6 to 12 Ireland Discards Proposed Vape Tax in the Name of Tobacco Harm Reduction Vaping Post Starting 1st November, Ireland's new vape tax will kick in, adding 50c per ml (plus VAT) to all e liquids, including disposable vapes. That means a standard 2ml disposable vape jumps from 8 Disposable Vape prices increase by 15% cost of vape liquid to increase by 100%