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CORROSION BLOCK
Corrosion Block

Stops corrosion on all metals

This anti-corrosion lubricant/penetrant stops or prevents corrosion on all metals. Its hydrophobic chemistry acts like an "off switch" to prevent dissimilar metal corrosion. Leaves a non-toxic, non-greasy, clean, clear protective film that blocks corrosion in a wide variety of applications, including marine electronics, batteries, circuit panels, standing rigging, fishing gear and inboard or outboard motors. Harmless to most plastic or rubber found on your boat.

  • 12oz. aerosol or 32oz. with Refill Sprayer
Product Models
Description WM Model # MFG Part # Availability Price Quantity  
Corrosion Block, 12oz. Aerosol 493817 20012
In stock online.

$19.99

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Corrosion Block, 32oz. with Refill Sprayer 6871511 20032
In stock online.

$39.99

Add to My List

Product Description

Stops corrosion on all metals

This anti-corrosion lubricant/penetrant stops or prevents corrosion on all metals. Its hydrophobic chemistry acts like an "off switch" to prevent dissimilar metal corrosion. Leaves a non-toxic, non-greasy, clean, clear protective film that blocks corrosion in a wide variety of applications, including marine electronics, batteries, circuit panels, standing rigging, fishing gear and inboard or outboard motors. Harmless to most plastic or rubber found on your boat.

  • 12oz. aerosol or 32oz. with Refill Sprayer

Specs

REVIEW SNAPSHOT®

by PowerReviews
 
4.7

(based on 31 reviews)

Ratings Distribution

  • 5 Stars

     

    (25)

  • 4 Stars

     

    (5)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (1)

96%

of respondents would recommend this to a friend.

Pros

  • Protects well (22)
  • Easy to use (19)
  • Weather proof (15)
  • Visually pleasing (8)

Cons

No Cons

Best Uses

  • Engine (19)
  • Outdoors (13)
  • Indoor (10)
  • Quick fix (9)
  • Wood trim (3)
    • Reviewer Profile:
    • Advanced (11), Casual/ recreational (8), Professional (6)
    • Was this a gift?:
    • No (22)

Most Liked Positive Review

 

Super product! We use ...

Super product! We use this product on electronic boards to prevent corrosion from direct water penetration, or humidity. We have literally submerged electronics treated with Corrosion Block underwater for several days with no...Read complete review

Super product! We use this product on electronic boards to prevent corrosion from direct water penetration, or humidity. We have literally submerged electronics treated with Corrosion Block underwater for several days with no negative effect to the circuit boards or components.

VS

Most Liked Negative Review

 

Not As Advertised

West Marine does not ship the spray bottle with the 32 oz container as advertised

West Marine does not ship the spray bottle with the 32 oz container as advertised

Reviewed by 31 customers

Displaying reviews 1-10

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5.0

Excellent product, we use it all the time

By Joaquin Moreyra

from Miami, Florida

About Me Casual/ Recreational

Verified Buyer

Pros

  • Easy to Use
  • Protects Well
  • Stays long time
  • Visually Pleasing
  • Weather Proof

Cons

    Best Uses

    • Engine
    • Quick Fix

    Comments about Corrosion Block:

    I use it to protect the support base of the i/o engine, trailer parts

    • Was this a gift?:
    • No
     
    4.0

    Make my ruunig light sockets last extra years in salt water

    By dust

    from Brunswick Ga.

    About Me Casual/ Recreational

    Verified Buyer

    Pros

    • Easy to Use
    • Protects Well

    Cons

      Best Uses

      • Indoor
      • Outdoor

      Comments about Corrosion Block:

      Must use to prevent corrosion not to get rid of it.

      • Was this a gift?:
      • No
       
      5.0

      This product is the best I have trried.

      By Jose Carlos

      from Humacao PR

      About Me Advanced

      Verified Buyer

      Pros

      • Easy to Use
      • Protects Well
      • Visually Pleasing
      • Weather Proof

      Cons

        Best Uses

        • Engine
        • Indoor
        • Outdoor
        • Quick Fix

        Comments about Corrosion Block:

        This product is the best I have tried in years. I recommend it 100%.

        • Was this a gift?:
        • No
         
        5.0

        Don't go near the ocean without it

        By Brad

        from St John, USVI

        About Me Professional

        Verified Buyer

        Pros

        • Easy to Use
        • Protects Well
        • Weather Proof

        Cons

          Best Uses

          • Engine
          • Outdoor

          Comments about Corrosion Block:

          Outstanding product for use on marine products or for anyone that wants protection from the sea blast

          • Was this a gift?:
          • No
           
          5.0

          Best product on the market. better than all other lubercants

          By Ole Dan

          from Tallahassee Florida

          About Me Casual/ Recreational

          Verified Buyer

          Pros

          • Easy to Use

          Cons

            Best Uses

            • Quick Fix

            Comments about Corrosion Block:

            Anywhere there is a moisture problem door hinge, throttle cables, rusty bolts, battery cables electric motors

            • Was this a gift?:
            • No

            (2 of 2 customers found this review helpful)

             
            5.0

            SHO works great!

            By Wild Bill

            from Georgia

            Verified Buyer

            Comments about Corrosion Block:

            Sprayed the electrical components on the skeeter and sprayed the SHO motor block too.

            • Was this a gift?:
            • No
             
            5.0

            I bay this products frecuent

            By Pedro

            from Puerto Rico

            About Me Casual/ Recreational

            Verified Buyer

            Pros

            • Protects Well

            Cons

              Best Uses

              • Engine
              • Outdoor

              Comments about Corrosion Block:

              This is a very good products

              • Was this a gift?:
              • No
               
              5.0

              The best stuff on the market

              By Keys kat

              from Fl keys

              About Me Professional

              Verified Buyer

              Pros

              • Easy to Use
              • Protects Well
              • Weather Proof

              Cons

                Best Uses

                • Engine
                • Indoor
                • Outdoor
                • Quick Fix

                Comments about Corrosion Block:

                They should call this stuff corrosion repair

                • Was this a gift?:
                • No
                 
                5.0

                Great corrosion protection

                By squish47

                from cape coral florida

                About Me Casual/ Recreational

                Verified Buyer

                Pros

                • Protects Well
                • Weather Proof

                Cons

                  Best Uses

                  • Engine
                  • Outdoor
                  • Quick Fix

                  Comments about Corrosion Block:

                  great for engine corrosion protection and electrical connections

                  • Was this a gift?:
                  • No
                   
                  5.0

                  I will buy This product again.

                  By Jr.

                  from South Florida

                  About Me Advanced

                  Verified Buyer

                  Pros

                  • Easy to Use
                  • Protects Well
                  • Weather Proof

                  Cons

                    Best Uses

                    • electrical connections
                    • Engine
                    • fishing reels
                    • seacock handles

                    Comments about Corrosion Block:

                    Just spray to area and it penetrates the metal for year round protection.

                    • Was this a gift?:
                    • No

                    Displaying reviews 1-10

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