STAIN: Yellow discoloration over area of carpet
CONTAINS: Variety of causes: general soiling, fume fading, atmospheric pollutants, stain-resist deterioration, BHT-Butylated Hydroxytoluene, oxidation, color(dye) loss, oil tracking, urine, asphalt track-off.

1. Discuss problem with customer before taking action. Pre-test in an inconspicuous area for affect on carpet and removal of soil.
2. Apply(spray) Yellow Rx (diluted properly for carpet or upholstery) solution.
3. Agitate fibers with a pile brush, or bonnet or rotary machine fo more severe discoloration
4. Allow 5 to 15 minutes dwell time, rinse with clear water or ALL FIBER RINSE solution, blot or extract.
5. Ensure good ventilation for proper drying of carpet.