A psi setting of 500-100 psi will provide enough pressure to dislodge any particles that may have seeped inside the carpet fibers.

“For nylon or blended carpets, the best options are steam cleaning or dry cleaning – which requires chemical mixtures to be spread across the carpet or sprayed directly onto stains before being removed. “But for wool carpets, a good carpet shampooer will usually be the most effective.

Professional carpet cleaners use a method named steam cleaning. This process uses hot water at high pressure to remove the dirt and bacteria that are stored within.

Using a pressure washer with a PSI of 1600 to 1800, combined with a wide spray tip, should work wonders. Also, stick to using cold water or warm water. Avoid hot water, as this can also damage your rug, especially when it's paired with high-pressure water.