Up To 20% Off Your Order! Use Promo Code: MEMORIAL

Sea Hawk Zinc-Free Barnacle Blocker, 12 oz.

Item # 923725
Sold Out
Additional Information:
  • This item must ship ground only.


  • Zinc-free aerosol spray

  • For use on steel, iron, copper, and more

  • Self-cleaning, anti-corrosive primer

  • Excellent protective barrier on underwater metals

Product Summary 

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 and reduces galvanic corrosion.