Fever-Tree recommends pairing it with tequila or mezcal, but it would also be delicious with vodka or seltzer for a non-alcoholic version. Though not citrus, it's hard to go wrong with Fever-Tree ...

Club Soda: Similar to seltzer water, but in addition to carbon dioxide, minerals are added to it. Popular club soda brands include Canada Dry, Polar, Seagram's, Schweppes, and Fever-Tree.