---
product_id: 11918050
title: "Seahawk Zinc Free Barnacle Blocker, 12 Oz."
brand: "seahawk"
price: "$110.96"
currency: USD
in_stock: true
reviews_count: 2
category: "Seahawk"
url: https://www.desertcart.ec/products/11918050-seahawk-zinc-free-barnacle-blocker-12-oz
store_origin: EC
region: Ecuador
---

# Waterproof underwater protection Multi-metal compatibility Zinc-free corrosion shield Seahawk Zinc Free Barnacle Blocker, 12 Oz.

**Brand:** seahawk
**Price:** $110.96
**Availability:** ✅ In Stock

## Summary

> 🛡️ Dive into corrosion-free confidence with Seahawk’s Zinc-Free Barnacle Blocker!

## Quick Answers

- **What is this?** Seahawk Zinc Free Barnacle Blocker, 12 Oz. by seahawk
- **How much does it cost?** $110.96 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/11918050-seahawk-zinc-free-barnacle-blocker-12-oz)

## Best For

- seahawk enthusiasts

## Why This Product

- Trusted seahawk brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Spray-On Simplicity:** Easy aerosol application for quick, even coverage every time.
- • **Self-Cleaning Barrier:** Keeps surfaces pristine by reducing galvanic corrosion automatically.
- • **Versatile Metal Mastery:** Effective on steel, copper, bronze, aluminum, and more—one product, many uses.
- • **Matte Finish, Maximum Impact:** Discreet black matte finish that blends seamlessly with your gear.
- • **Corrosion Defense, Minus the Zinc:** Protect your underwater metals without harmful zinc buildup.

## Overview

Seahawk Zinc Free Barnacle Blocker is a 12 oz aerosol spray designed to protect underwater metal surfaces from barnacles and galvanic corrosion. Zinc-free and waterproof, it works on a variety of metals including steel, copper, and aluminum, providing a durable, self-cleaning anti-corrosive matte barrier ideal for marine environments.

## Description

Sea Hawk Part #505AZincfree Barnacle Blocker 12OzZincfree Barnacle Blocker 12OzBarnacle 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.Attributes:Size: 12 oz.Package Quantity = 1

Review: great for use as a primer - used this a a primer under my trilux 33 outdrive paint. no issues with this product at all.
Review: Good Primer. - I used this stuff as a Primer before I painted my Stern drive on my cabin cruiser. Very good stuff. Could probably be used as a paint itself, but serves as a good barrier when the paint fails. Highly recommended.

## Features

- New

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00GLL00JI |
| Age Range Description | Adult |
| Brand | Seahawk |
| Brand Name | Seahawk |
| Color | Black |
| Container Type | Aerosol can |
| Customer Reviews | 4.1 out of 5 stars 10 Reviews |
| Finish Type | Matte |
| Is Waterproof | True |
| Item Form | Aerosol |
| Item Volume | 12 fluid ounces |
| Item Weight | 14 ounces |
| Manufacturer | Sea Hawk |
| Paint Type | Spray |
| Part Number | 505A |
| Specific Uses For Product | Underwater Metal Surfaces |
| Surface Recommendation | Metal |
| UPC | 811577014648 |
| Unit Count | 12 Fluid Ounces |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** Seahawk
- **Color:** Black
- **Finish Type:** Matte
- **Is Waterproof:** True
- **Item Form:** Aerosol
- **Item Volume:** 12 Fluid Ounces
- **Paint Type:** Spray
- **Specific Uses For Product:** Underwater Metal Surfaces
- **Surface Recommendation:** Metal
- **Unit Count:** 12.0 Fluid Ounces

## Images

![Seahawk Zinc Free Barnacle Blocker, 12 Oz. - Image 1](https://m.media-amazon.com/images/I/71Dc3HYtebL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ great for use as a primer
*by H***Y on January 20, 2020*

used this a a primer under my trilux 33 outdrive paint. no issues with this product at all.

### ⭐⭐⭐⭐ Good Primer.
*by C***G on December 12, 2020*

I used this stuff as a Primer before I painted my Stern drive on my cabin cruiser. Very good stuff. Could probably be used as a paint itself, but serves as a good barrier when the paint fails. Highly recommended.

## Frequently Bought Together

- Seahawk Zinc Free Barnacle Blocker, 12 Oz.
- 3M Marine Adhesive Sealant 4000 UV (05280), Medium Strength Flexible Waterproof Adhesive Sealant for Boats and RVs, UV Resistant, Cures in 24 Hours, White, 3 fl oz Tube
- 10 Gauge Marine Wire,10 AWG 10ft Duplex Marine Grade Wire Tinned Copper Electrical Cable for Boat/Automotive/RV/Camper/Trailer Outdoor Use

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ec/products/11918050-seahawk-zinc-free-barnacle-blocker-12-oz](https://www.desertcart.ec/products/11918050-seahawk-zinc-free-barnacle-blocker-12-oz)

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-10-16*