Chemical Garden

Directions

1. 1
   Mix bluing, water and salt.
2. 2
   Add ammonia.
3. 3
   Mix well and pour slowly over 3 or 4 small rocks, clinkers or coal in an old pie pan.
4. 4
   Crystals start to grow very soon and will continue as long as the liquid stays.
5. 5
   If you want a little color, add a few drops of food coloring to the rocks.
6. 6
   Set the pan where you can watch it daily.