Altair water

Altair water is a beverage exported from the Altair system.

While under the influence of Captain Spock's katra in 2285, Dr. Leonard H. McCoy ordered an Altair water from a bar he frequented on Earth. (TOS movie: Star Trek III: The Search for Spock).

In 2293, Spock ordered an Altair water when he and Alexandra Tremontaine visited the Notes on the Water café on Alonis. (TOS novel: Crucible: The Fire and the Rose).