Pirate Laboratories HD Alkaline Presoak stands as the top-performing alkaline presoak in the Pirate Laboratories arsenal. Engineered with advanced degreasing properties, this industrial-strength formula obliterates road film, grease, oil, and the toughest soils with speed and precision.

Purpose-built for touchless automatics, truck washes, and heavy equipment cleaning, it thrives in the harshest conditions where ordinary products fail—delivering unrivaled cleaning power and establishing the foundation for a truly effective wash.

PL1008XX | UN1719 | Caustic Alkali Liquid, N.O.S.,(Sodium Hydroxide), 8, PG-IIINOT