Dye bleeding or color bleeding is one of the most common problems that a consumer faces while cleaning a carpet. This happens when dye materials used in the carpet become wet and start to blend with each other. There are various reasons for color bleeding such as: Usage of Non-colorfast Dye – The dyeing material that has been used on the yarns may not be colorfast. Is a manufacturing defect and before buying one must check the labels to determine the type of dye used. If there is no suggestion made on the labeling then it is important to do a dye check before cleaning the carpet. Excessive Dye – There are instances when excessive dye has been used or additional dye has been used on a carpet after weaving in order to make it look more bright and colorful or give a certain look. Many a times ink is used as well that are quite different in nature and are bound to bleed. Using a wet towel in one of the corners may show whether or not excessive dye has been used. High Heat and Alkaline Exposure – Exposure to high heat and alkaline products while cleaning may lead to bleeding of color form the carpet. Pet Stains – improper cleaning of pet urine may result in bleeding dye though the urine is of acidic nature it can convert to alkali if left un-cleaned. In most cases, dye bleeding can be prevented or controlled with the usage of appropriate kind of dye stabilizer and shampoo. However it is important to check the amount of heat and humidity in the air before cleaning a carpet. It is also important to read and understand the washing instructions provided by the manufacturer in order to extend and maintain the life of a carpet and also prevent celluloid browning or corn rowing. It is always a better idea to take the help of a professional cleaning service for the first time as they are better equipped to handle such issues.