Exploratorium's Bubble Recipe
2/3 Cup (160 ml) Dawn™ dishwashing liquid
1 tablespoon (15 ml) glycerine (available at most drugstores)
1 gallon (3.8 l) of water.
Stir ingredients together. Aging the solution for at least a day before use significantly increases the lifetime of the bubbles.
From Anita, a teacher, Independence, IA
