1be870e5_nd_carpet_stains___Consumer_NZ__Treatment
[Stain] Coffee/tea [Treatment] 
Soak in warm water with a squirt of dishwashing liquid. If the stain persists, soak a black coffee or tea stain in a solution of 2 parts water / 1 part white vinegar. Try a paste of a laundry detergent containing enzymes and water on a stain from white coffee or tea.
Stain removal - Dry cleaning and carpet stains - Consumer NZ
Treatment