Two to three times per week a good vacuuming.
If we have pets is better a vacuuming every day.
Know the right technique for removing older stains.
Don't attempt to scrub stains away from carpets. ...
Don't douse the area with too much vinegar, water, or any other liquid.
Allow the baking soda to sit overnight, and then vacuum it up. Next, mix equal parts vinegar and water in a spray bottle, and liberally coat the area. Use your brush to raise the pile, and let dry. The smell of vinegar will dissipate after a few hours, and you'll be left with a clean, new-looking patch of carpet.