DYES: The good, the bad, and the ugly. Lisa Wagner is an expert in Oriental and area rug cleaning, care and maintenance field. She has an excellent rug buying tips on her blog. Anybody who wants to buy rugs should visit her blog and read her posts. In one part of her tips, she talks about dyes and color run/bleeding. She has a well worth watching video on how to simply do a dye test to see if a rug has good, bad or ugly dye. Click here to read her article or click on the video here on top to watch the video.