Kemade A Liquid Presoak from Stone Soap is designed as the acidic answer for frictionless washes. It combines acids and penetrating agents to create a low-pH liquid presoak that quickly removes road scale. The product is available in 5-, 15-, 30-, and 55-gallon containers.

Stone Soap Company Inc.,
2000 Pontiac Drive,
Sylvan Lake, MI 48320.
(248) 706-1000.
Toll free: (800) 952-SOAP.
Fax: (248) 706-1001.
E-mail: sales@stonesoap.com.
Website: www.stonesoap.com.