NEW bubly drops - a fun way to sparkle your water! Make your favorite bubly sparkling water flavors right at home with SodaStream. One 40ml bubly drops bottle makes about 12L* (or 33 cans) of your favorite bubly sparkling water. *when prepared according to instructions. Each 40ml bubly drops bottle makes about 12 liters of your favorite bubly sparkling Unsweetened natural flavor Essence. No calories. No sweeteners. All smiles.