I tried out ice dyeing with fiber-reactive Procion dyes at a workshop recently. It was tons of fun, so I wanted to try it with Kool Aid! I waited for a hot day, broke out the drink mixes, and tried it out. Here's how to do it for yourself. Materials: An undyed silk scarf. You can buy these at Dharma Trading Company or Thai Silks. I used an 8" x 54" chiffon silk scarf from Dharma. Note: This will ONLY work on certain fibers. It will work on silk and wool, but it will NOT work on cotton…