How to Make a Salt Crystal Garden

This colorful crystal garden would be perfect as a science fair project for kids. The simple experiment is based on the principle of growing salt crystals. Read on to know more.

Salt Crystal Garden
Salt Crystal Garden

Growing a Salt Crystal Garden

Given below are the basic instructions for the project. You can apply this method for Epsom and sugar crystal gardens as well.

Materials Required

  1. ½ cup water
  2. 3 cups salt
  3. Laundry Bluing
  4. Ammonia
  5. Pieces of cut up sponge or charcoal briquettes
  6. Vinegar
  7. Food color
  8. Plastic container


  1. Put 2 tablespoons of salt in the water. Stir well. Continue adding the salt until the particles do not dissolve anymore and pop out of the solution.
  2. You can add laundry bluing and clear household ammonia to assist in the crystallization and accelerate the enlargement, respectively.
  3. Pour the solution over charcoal briquettes or cut up sponge pieces resting at the bottom of a container. The sponges should be saturated by the liquid but not submerged in it.
  4. If you want different colors of crystals in your garden, add your choice of food color to each sponge.
  5. Put in a few drops of vinegar and stir well.
  6. Watch your garden develop overnight.

Video of Magic Salt Crystal Garden Science Project

Now that you know the nitty gritties of this fun activity, start collecting the supplies for embarking on the fulfilling educative journey.



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