Dog may be man’s best friend but not necessarily that of man’s carpeting. Neglected animal stains have been a problem ever since the first “accident”.
Two types of reactions can take place between the chemicals in the urine and those in the fiber dye. Some dyes change colour as soon as urine comes in contact with them. Often original colour can be restored by immediate addition of a weak solution of ammonia or white vinegar. But first pick an inconspicuous area of the carpet and test small amounts of solution to determine its effect on the fiber and dye.
The other change develops slowly over a period of several months and results in permanent change in the fiber dye. Not only is there a dye change but some fibers become weakened or destroyed. After cleaning, these areas are more obvious because the soil which hid the true colour has been removed.
The next time you are confronted with an animal “accident”, immediately absorb as much liquid as possible. Wash the area with a solution of one teaspoon of neutral detergent (which contains no bleach) to one cup of luke warm water. Absorb into white tissues or toweling. Add a white vinegar solution (one part white vinegar to two parts water). Absorb as dry as possible. Place a ½ inch layer of white absorbent material over area and weight down. Allow to dry for about six hours.
If immediate action is taken to remove the stain in this manner, little or no change in colour should occur and that forgotten “accident” will not become apparent after your carpet has been professionally cleaned.