Acid rinses may be needed to solve two tasks when dry cleaning upholstered furniture, carpets and carpet coverings.

The first task is to neutralize the lye after basic cleaning. It is necessary to wash and neutralize the lye in those cases, when after cleaning, a coating of the washing solution remains on the fiber.
Lye gradually destroys the fibers, and it is undesirable to allow this, so a rinse aid is used to wash off the lye.

The second task is to clean what is afraid of alkali.

Means for flushing and neutralizing alkalis