- liquid food coloring
Day #1: Place damp sponge pieces in a shallow glass or plastic bowl. Over sponge, pour 2 Tbsp. each of bluing, salt, water and ammonia.
Day #2: Add 2 Tbsp. salt.
Day #3: Add 2 Tbsp. each bluing, salt, water and ammonia. Avoid pouring on crystal growth. Repeat Day #3 as needed to keep crystals growing. For color, add drops of food coloring.
*Bluing can be purchased in the laundry section at the store.
From Dining on a Dime
Photo By: svdwh