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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 27 reviews)

Ratings Distribution

  • 5 Stars

     

    (22)

  • 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 (15)
  • Weather proof (12)
  • Visually pleasing (6)

Cons

No Cons

Best Uses

  • Engine (16)
  • Outdoors (10)
  • Indoor (8)
  • Quick fix (7)
  • Wood trim (3)
    • Reviewer Profile:
    • Advanced (10), Casual/ recreational (6), Professional (5)
    • Was this a gift?:
    • No (18)

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 27 customers

Displaying reviews 1-10

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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

    (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

                  Displaying reviews 1-10

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