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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
Corrosion Block
 
4.7

(based on 26 reviews)

Ratings Distribution

  • 5 Stars

     

    (21)

  • 4 Stars

     

    (4)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (1)

95%

of respondents would recommend this to a friend.

Pros

  • Protects well (18)
  • Easy to use (14)
  • Weather proof (12)
  • Visually pleasing (6)

Cons

No Cons

Best Uses

  • Engine (16)
  • Outdoors (10)
  • Indoor (8)
  • Quick fix (6)
  • Wood trim (3)
    • Reviewer Profile:
    • Advanced (10), Casual/ recreational (5), Professional (5)
    • Was this a gift?:
    • No (17)

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 26 customers

Displaying reviews 1-10

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(1 of 1 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
           
          5.0

          very good product will purchast again

          By j rod

          from rochester ny

          About Me Advanced

          Verified Buyer

          Pros

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

          Cons

            Best Uses

            • Engine
            • Outdoor

            Comments about Corrosion Block:

            good product

            • Was this a gift?:
            • No
             
            4.0

            I have used it on my 39year old hatteras for 20years

            By Doc

            from Miami,fl

            About Me Advanced

            Verified Buyer

            Pros

            • Easy to Use
            • Fisses up on areas of white corrosion and leaves
            • Protects Well
            • Visually Pleasing

            Cons

              Best Uses

              • Indoor

              Comments about Corrosion Block:

              It attacks corrosion better than any product I have ran across in my 60 plus years of boating.

              Service and delivery comments:

              Friendly

              • Was this a gift?:
              • No
               
              5.0

              INCREDIBLE PRODUCT!

              By RBJ

              from MIAMI FLORIDA

              About Me Professional

              Verified Buyer

              Pros

              • Easy to Use
              • Protects Well
              • Weather Proof

              Cons

                Best Uses

                • ALL OF MY MOTORCYCLES!
                • Engine
                • Indoor
                • Outdoor
                • Quick Fix
                • Wood Trim

                Comments about Corrosion Block:

                ALL POSITIVE! IVE BEEN USING IT FOR YEARS, ITS THAT GOOD!

                Service and delivery comments:

                EXCELLENT!

                • Was this a gift?:
                • No
                 
                5.0

                This is better than T9. I even clean the chrome with it.

                By Mo

                from Miami, Fl.

                About Me Advanced

                Verified Buyer

                Pros

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

                Cons

                • Messy

                Best Uses

                • Engine
                • Outdoor
                • Wood Trim

                Comments about Corrosion Block:

                I use it every where in the boat, to protect and avoid rust and for shining the chrome parts.

                • Was this a gift?:
                • No
                 
                4.0

                Works great!

                By Fishn

                from Newport, RI

                About Me Advanced

                Verified Buyer

                Pros

                • Protects Well

                Cons

                  Best Uses

                  • Engine

                  Comments about Corrosion Block:

                  I spray the whole engine and any other corrosive parts. Also use on trailer and truck

                  • Was this a gift?:
                  • No

                  Displaying reviews 1-10

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