Chemical Garden - cooking recipe

Ingredients

coal (a few pieces)
water (in bowl)
6 Tbsp. salt
3 Tbsp. ammonia
6 Tbsp. liquid bluing
6 Tbsp. water
food coloring (optional)

Preparation

Put coal and a little water in a bowl.
Mix salt, water, bluing and ammonia.
Add food color by drops.
Add slowly to the coal and water!