A great project to do with the kids.
Make and share this Crystal Gardens recipe from Food.com.
- Combine salt, bluing, water and ammonia.
- Pour over small pieces of rock or coal in a shallow GLASS or CHINA bowl.
- Drip food coloring on top if desire.
- Crystals will begin to grow soon.
- Add water occasionally to keep crystals growing.
- You'll probably want to place the dish on a tray or wooden board as crystals grow over the sides of the bowl.