Possession of the class C drug for unlawful use can lead to a prison sentence of up to two years
Archived version: https://archive.is/newest/https://www.independent.co.uk/news/uk/crime/laughing-gas-breathalyser-nitrous-oxide-police-b2975925.html
Disclaimer: The article linked is from a single source with a single perspective. Make sure to cross-check information against multiple sources to get a comprehensive view on the situation.
Why ban water when it’s far easier to inflate its price beyond all affordability by stripping entire populations of their access and handing your fellow pedos the gov’t contract to snort it dry before they start a fresh one?