For use in your Sodastream system. Get creative with your carbonated beverages with Bubly drops! A fun way to sparkle your water! No calories, no sweeteners, all smiles. Use the flavours individually, or create a unique mix. Pineapple-blackberry bubly water anyone? Mmmm yes please! Three 40ml bubly drops bottles make about 36L of bubly sparkling water when prepared according to instructions.