Salt Stains on a Rugs
It’s hard not to track in some of the salt residual you put down in your driveways and walks such as Calcium Chloride. You just need to realize there are problems when this gets tracked into your home. First, the salt itself is hygroscopic (attracts moisture), and stays wet, attracting soil. This damp residue is also alkaline in nature, and because of this, potentially harmful to dyes used in acid dyed nylon and wool carpets.
Most carpet cleaners will use a pre-spray desi...