Sunken ice isn’t a reliable way to spot if your drink’s been spiked

Social media posts warning people to watch out for ice sinking in their drink as a sign it may have been spiked have been shared tens of thousands of times. 

A number of posts seen by Full Fact use similar wording, which says: “With it being summer and more people are out drinking please remember when drinking if the ice in your drink isn’t floating, there’s something in your drink, as in drugs so make sure to check your drinks and your friends drinks [sic].

“Ice sinky, no drinky.”

This is missing important context, because looking out for sinking ice isn’t a reliable way to spot if a drink has been spiked.

Spiking a drink involves adding either alcohol or drugs to it without the drinker’s knowledge or consent.

Although a drink with a very high…