Carbinated water. I use an Aarke carbonator.
Gin, Midori, lemon, and lime
Cognac, lemon, and seltzer
Aperol, mezcal, sparkling wine, and seltzer
Cognac, orange liqueur, orange cream citrate
Gin, heavy cream, egg white, and orange flower water
Gin, cucumber, lime and seltzer
Refreshing gin Collins riff
Refreshing, hydrating, bourbon drink
Gin, clementine, orange cream citrate, and seltzer
Gin, kombucha, lemon, and seltzer
Gin, lilac syrup, heavy cream, egg white, and seltzer
Cognac, orange liqueur, lemon, simple, and seltzer
Refreshing, light Cognac fizz
Gin, lemon, egg and seltzer
Gin, orgeat, lemon, and seltzer
Gin, lemon, watermelon, and seltzer