Diy Play Silks Food Coloring. Add 2 tbsp of white vinegar. Web soak the cleaned silks in hot water with vinegar for at least an hour.Many Skies Mama Dying Playsilks with food coloring from manyskiesmama.blogspot.comWeb how to dye your own: Add 2 tbsp of white vinegar. Fill a large pot with about 4 liters of water.