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Sea Hawk Underwater Metal Protector And Primer

  • $29.89 $23.91

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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.

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