As a gift I received the ingredients and recipe for tonic water for my Sodastream. (or direct SodaStream)
-allspice (about 10 berries)
-sprinkle of salt
-agave syrup (1c)
-dried lemon grass (one packet)
Zest and juice all of the fruit then mix all of the above ingredients (except agave) in a pot and boil then simmer for 30min.
After boiling strain with a larger strainer then after a coffee filter.
internet, another in this book.
Homemade Soda: 200 Recipes for Making & Using Fruit Sodas & Fizzy Juices, Sparkling Waters, Root Beers & Cola Brews, Herbal & Healing Waters, ... & Floats, & Other Carbonated Concoctions