Typically rhubarb and ginger gin is topped up with iced water, rarely without water. It is common for rhubarb and ginger gin to be served as 'rhubarb ginger gin and tonic', typically consisting of 2 shots of gin, which is then topped up with tonic water. This is served in a highball glass over ice.
Story of rhubarb ginger gin[change source]
William Palmer (6 August 1824- 14 June 1856) was a doctor and multiple murderer in the 19th century in Rugeley, England. He murdered people with a poison, he also known as the Rugeley Poisoner or the Prince of Poisoners. Rhubarb and ginger gin was invented by William Palmer. His poison was consisted of strychnine, hydrogen cyanide and opium, and each poison has a special taste, colour and smell. He poisoned a rhubarb and ginger gin as a masking the feature of poison.