Zinc-Free Barnacle Inhibitor for Marine Hulls

Description

Barnacle Blocker is a zinc-free aerosol spray formulated for use on underwater metals including steel, cast iron, copper, bronze, galvanized steel, lead, and aluminum. Barnacle Blocker is a self-cleaning anti-corrosive primer that provides an excellent barrier on underwater metal surfaces, reducing galvanic corrosion. Size: 12 oz.