Are your carpets showing brown, especially after you cleaned them with your own carpet cleaning unit?
Causes of Carpet, Rug and Upholstery Browning and How to Prevent or Cure
Carpet wicking and browning:
What is carpet and rug browning?
Browning is a phenomenon in which, after the carpet or rug is cleaned and has dried, the fiber tips turn dark.
What causes carpets and rugs to brown? Carpet dries from the tips. Therefore, as the cleaning solution evaporates from the ...