google "home-made carpet detergent", you can find a bunch of recipes, like this one http://happymoneysaver.com/homemade-carpet-cleaning-solution/ here is mine: 1. 1-2 table-spoon (1 table-spoon=3 tea-spoon) Tide laundry detergent 2. 1 table-spoon white vinegar 3. 1 tea-spoon (=5 ml) oxiclean 4. 1 gallon of warm water works nicely for me.