RIT DYEING :: Tips for Natural or Synthetic Fabric Dyeing... Fill a pot 3/4 full w/ warm water & heat to medium. For synthetic (like nylon) add 1 cup of white vinegar. For natural (like cotton or silk) add one cup of salt. Add the RIT dye packet & stir your items, letting everything simmer for 30 min, stirring often. CLICK for the full tutorial!
Make Your Own Organic Natural Purple Fabric Dyes using Basil. Remember that different basil will produce different results. Thai basil tend to be more purple than other varieties, but test to get the look you desire.