Poisoning Hoover (spoliers)

[peekster]

Hi, how do I poison hoover's bottle of vodka?
I got the bottle but can't figure out how to use it with the poison

[JeremyCarl]

Hi, how do I poison hoover's bottle of vodka?
I got the bottle but can't figure out how to use it with the poison

Drag the poison onto the bottle, and you're done