How To Make A Crystal At Home
Boil one cup of distilled water. Gradually stir in alum until no more will dissolve—you will see a thin layer of undissolved powder at the bottom. This is your supersaturated solution. Pour it carefully into the clean jar, avoiding any undissolved grains.
In 2–5 days, you’ll see tiny square crystals climbing the string. 2. The "Instant" Borax Crystal (Best for Shapes) how to make a crystal at home