The best method for sterilizing carpet without hiring a professional is to mist the surface of the carpet with a mixture of white vinegar diluted with water and allow it to sit overnight. Then you can steam clean your carpet using the manufacturer's instructions on your machine.

Yes, you should keep cleaning the carpet until the water is clear. This will ensure that your carpets are clean and free of dirt, dust, and other allergens. However, you should be careful not to scrub too hard or use too much water.

Based on the weather conditions and the method used to clean your carpet professionally, it can take 3 to 12 hours to dry completely. If you must walk on the wet carpet, it must be light traffic, and wait at least 30 minutes. To prevent dirt and dust transfer, wear white (fluffy) socks or wear shoe booties.

In a bowl or small bucket, mix one part white vinegar with three parts water. Dip the bristles of the scrub brush into the solution and rub them into the carpet. Massage them into the fibers well (without fully saturating the carpet) and follow up with a cloth to help blot excess moisture.