Remove tough dirt, grease, bugs, brake dust, and other build-up! 
Stoner’s Pre-Soak Cleaner 1 is a super concentrated detergent that quickly loosens tough dirt, grease, bugs, brake dust, and other build-up. This formula is ideal for self-serve, rollover, and conveyor washes. Pre-Soak cleaner can also be used as an engine cleaner in high/low-pressure applications. 

Safe for clear coat finishes.
Pre-Soak Cleaner 1 produces thin, lemon-scented cascading sheets in the wash bay. Safe and effective for clear coat finishes.

Super-Concentrate for Cost-Effectiveness
Pre-Soak Cleaner 1 is concentrated for dilution with water only. When used directly from the container, dilute at 1:200 (PS1:water). To pre-dilute, mix one part concentrate with three parts water and then further dilute at 1:50. Test the mixture and adjust dilution, if necessary, for desired appearance and cleaning strength.

Hard Water Tolerant
Contains no phosphates, caustics, acids, or petroleum solvents.