Stone Soap’s Rainbow Powder Presoak provides a super concentrated cleaning formula for in-bay automatic and self-serve washes to quickly remove built-on dirt. The product features a customer-pleasing deep yellow color and a pleasant lemon fragrance. Rainbow Powder Presoak is available in 50-pound cartons.

Stone Soap Company Inc.,
2000 Pontiac Drive,
Sylvan Lake, MI 48320.
(248) 706-1000. Toll free:
(800) 952-SOAP.
Fax: (248) 706-1001.