Why Does Water Turn Yellow in Snow Globes?

What is a Snow Globe? A snow globe is a decoration or souvenir that has been a collector's item for more than 100 years. Inside the clear glass or hard plastic bubble, a scene or object is surrounded by a combination of water and glycerin. There are also small flakes (usually made out of plastic) that immitate falling snow. When the globe is shaken, the snow "falls," creating a winterland-like scene. Snow globes are available in varying sizes and shapes all over the world. Why Does Snow Globe Water Turn Yellow? One reason snow globe water may turn yellow is because improper water was used when it was filled. Distilled water and glycerin should be used to fill the globe, and if tap or unfiltered water is used, the color of the water can change drastically. Placing your snow globe in direct sunlight for long periods of time can also create bubbles, or gaps, in between the water and the glass bowl--making it seem as though your globe was not filled with enough water. Over time, the ...  more