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Sea Hawk Zinc-Free Barnacle Blocker, 12 oz.

Item #: 330533
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Sea Hawk Zinc-Free Barnacle Blocker, 12 oz.
Sea Hawk Zinc-Free Barnacle Blocker, 12 oz.
Save $1.25 (5% Off)
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Shipping Restrictions
Local and/or state laws prohibit the shipment of this item to AK, HI, AS, PR, PW, FM, GU, VI, MP, MH, AP, AE, AA.

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Save 15% off No Minimum or 20% off No Minimum Good Sam with code CYBERSAVE in cart. Offer valid online only, 11/29-11/30/21. Exclusions Apply

Sea Hawk 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.
  • Zinc-free aerosol spray
  • For use on steel, iron, copper, and more
  • Self-cleaning, anti-corrosive primer
  • Excellent protective barrier on underwater metals
Aluminum Safe
Application Method
Conventional Spray
12 sq. feet per 12 oz. can
Cure Time
48.00 hr
527 grams per liter
Unit Weight
1.00 lb
Sea Hawk
WARNING: This product can expose you to CHEMICALS-C, a chemical known to the State of California to cause cancer. For more information, go to
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