How Do You Make Colored Soap Bubbles?
Were you one of those kids who tried to add food coloring to ordinary bubble solution to make colored bubbles? Food coloring won’t give you bright bubbles, and even if it did, they would cause stains. Here’s a recipe for pink or blue colored bubbles, based on disappearing ink, so the bubbles won’t stain surfaces when they land.Difficulty: EasyTime Required: Only Takes a Few MinutesHere’s How: • If you are making your own bubble solution, mix the detergent and water. • Add the sodium hydroxide and indicator to the bubble solution. You want enough indicator so that the bubbles will be deeply colored. For each liter of bubble solution (4 cups) this is about 1-1/2 to 2 teaspoons of phenolphthalein (red) or thymolphthalein (blue). • Add sodium hydroxide until you get the indicator to change from colorless to colored (about half a teaspoon should do the trick). A little more sodium hydroxide will result in a bubble that
