Answer:

SELTZER

Answer	Crossword Clue
SELTZER	Highball mixer
SELTZER	Cocktail mixer
SELTZER	Egg cream ingredient

SELTZER	Bubbly beverage
SELTZER	Ice cream soda ingredient
SELTZER	Bar supply
SELTZER	Popular mixer
SELTZER	Club soda
SELTZER	Carbonated component of an egg cream
SELTZER	Carbonated water
SELTZER	Mineral water.

SELTZER	Soda pop.
SELTZER	Beverage.
SELTZER	Bar mixer
SELTZER	Egg cream additive
SELTZER	Water from a fountain
SELTZER	Fizzy water
SELTZER	Fizz
SELTZER	Fizzy drink