Citrus Margarita

8 ounces soda water 1 ounce mandarin syrup 1 ounce fresh lime juice 1 ounce fresh orange juice 1½ ounces tequila

1. Put the soda water, syrup and juices together in a large pitcher; stir to combine.
2. Fill two glasses with ice. Add equal amounts of tequila to each. Top with equal amounts of the citrus-soda and stir to combine.
3. Serve immediately.