- Add liquid food coloring to glass canning jars. For a darker dye color, increase the amount of food coloring.
- Squeeze 1 drop dish soap into each jar.
- Pour 1 tablespoon vinegar into each jar.
- Add 1 cup water to each jar. Stir.
- Wearing rubber gloves, submerge a pom-pom in each jar.
- Microwave on high 1 minute.
- Drain each jar and rinse with hot water, then rinse with cold water.
- Let dry.