Quick and Easy Alum Crystal Growing Project

Are you looking for an easy, safe, reliable crystal-growing project? These alum crystals may be the easiest crystals you can grow. Why This Project Rocks Non-toxic crystal (alum is a spice)Uses hot tap water, not boiling waterEasy to do—mix and waitExtremely reliable results—crystals will growOnly requires a few hours for good crystal growthResults in crystals large enough to pick up and examine Grow Easy Alum Crystal To grow these crystals you will need: 1/2 cup hot tap water2 1/2 tablespoons alum Simply stir the alum into the water and wait for crystals to grow. Alum crystals usually are visible within a half an hour and reach a good size within a few hours. Its that easy! When the crystals are to your liking, use a fingernail to scrape them off the side of your container. You can examine them and keep them.