How to Grow Epsom Salt (Magnesium Sulfate) Crystals: Epsom salt is magnesium sulfate. It's easy to grow Epsom salt crystals. The crystals typically resemble shards or spikes. Initially the crystals are clear, though they whiten over time.
Grow Crystals in Your Fridge in Just a Few Hours: These epsom salt crystal needles form within a matter of hours. You can grow clear crystals or color them with food coloring.i migtht do this if there is ever a science fair.
Home-made Geodes Required materials Epsom salts 2 cups of warm water 3 or more eggs (we only the shells) Food coloring (red, green, blue, and any other color you like) Large glass Spoon Knife (optional)