Clean carpet with baking soda - with instructions
Here's a really great tip, like stains, thoroughly removed from the carpet. Important, pay close attention to the instruction!
Sprinkle the stain (also footprints) with the baking powder, then evenly brush in the powder with a brush.
Sprinkle coarse spots again with powder (small heap on the spot.) Now the hot water (absolutely hot) with the spray can evenly on the stains spray.
Approximately Allow to act for 4-5 hours. Now aspirate. You will be surprised. I was too.
Editor's tip: Here's cheap baking soda