Exterior Salt Wash Detergent

Exterior Salt Wash Detergent

39 total reviews

39 total reviews

Exterior Salt Wash Detergent

Shield your boat from corrosive salt with our Salt Wash Detergent—just a spray away from a clean and protected marine adventure

Shield your boat from corrosive salt with our Salt Wash Detergent—just a spray away from a clean and protected marine adventure


NOTE: The Musket - A Foam gun compatable with garden hose. The Foam Cannon - A Foam gun compatable with pressure washer



What it does: Salty Captain's Salt Wash is a purpose-built solution for effectively removing salt deposits and safeguarding against corrosion on the exterior of your boat or personal watercraft (PWC). Its primary function is to clean, protect, and maintain marine vessels by eliminating salt buildup and preventing potential damage caused by corrosion.

Added Value and Benefits:

  1. Salt Removal and Corrosion Prevention: The product excels in its core function—eliminating salt deposits that accumulate on boats and PWCs and providing essential protection against corrosion. It preserves the appearance and longevity of your vessel.

  2. Simple Application: Using Salty Captain's Salt Wash is a straightforward process. Just fill the canister with the solution, lather it into foam, and rinse your boat or PWC. This uncomplicated procedure makes maintenance hassle-free.

  3. Eco-Friendly Formula: The Salt Wash formulation is biodegradable, which means it is environmentally responsible and will not harm aquatic ecosystems. This feature is especially important for marine enthusiasts who care about preserving the waters they enjoy.

  4. pH Neutral: The product is pH neutral, ensuring that it is gentle on the surfaces of your vessel. It effectively protects your boat or PWC without causing any damage to the materials.

  5. Performance and Protection: Salty Captain's Salt Wash offers the dual benefit of superior cleaning performance and essential protection. It gives your boat the protection it deserves while maintaining its cleaning efficiency.

In summary, Salty Captain's Salt Wash is a specialized cleaning and protective solution for the exterior of boats and PWCs. Its biodegradable, pH-neutral formula ensures eco-friendliness and gentle treatment of your vessel's surfaces, making it a reliable choice for boat owners who prioritize both cleanliness and the longevity of their marine assets.


Salt Wash Detergent is like a shield for your boat. It’s specially made to mix easily with water and create a powerful cleaning solution that can lift salt residue right off your boat’s surfaces. This is super important because salt can eat away at the boat's finish and even its structure if left unchecked. When you spray this mixture on, it surrounds the salt particles and breaks them down, making it super easy to rinse off. Plus, it's got added ingredients to slow down rust and corrosion, so it's not just cleaning, it's also protecting your boat for your next journey. It's tough on salt but gentle on your boat, ensuring your marine adventures don't leave a lasting mark.



Equipment You Will Need:

  • The Captain's Musket Wash and Flush Gun
  • Salt wash detergent
  • Clean water supply (hose or pressure washer)
  • Protective gloves and eyewear (optional, but recommended)


1. Preparing the Solution:

  • Fill the detergent container of the Captain's Musket with the recommended amount of salt wash detergent. Typically, for a full wash, a ratio of approximately 60-90 ml of detergent per liter of water is used, but check your specific product's guidelines for the best results.

2. Connecting to Water Supply:

  • Attach the Captain's Musket to your garden hose or pressure washer, ensuring a secure connection to prevent leaks.

3. Initial Rinse:

  • Before applying the detergent, rinse the boat with fresh water to remove any loose debris, dirt, or salt.

4. Applying the Salt Wash Detergent:

  • Turn on the water supply and adjust the Captain's Musket to the detergent setting, which will mix the salt wash detergent with water and create a foamy solution.
  • Start from the top of the boat and work your way down, applying the foam liberally over the surface. Make sure to cover all areas, especially those most exposed to saltwater.

5. Letting the Detergent Work:

  • Allow the foam to sit on the surface for a few minutes to break down the salt. Do not let the detergent dry on the boat, as this can leave residue.

6. Scrubbing (if necessary):

  • For tough spots or areas with significant salt build-up, use a soft brush or sponge to gently scrub the surface.

7. Rinsing Off the Detergent:

  • Thoroughly rinse the boat with fresh water, ensuring all detergent is washed away. Start from the top and work your way down to prevent streaking.

8. Drying:

  • Use a soft, clean towel or chamois to dry the boat, which helps prevent water spots and removes any last traces of salt.


We use UPS for most of our deliveries. You can expect your parcel within 2-8 business days from when it leaves our warehouse. 
For any shipping enquires, contact our team admin@saltycaptain.co

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The freshest reviews are in

Rated 4.9 out of 5 stars
Based on 39 reviews
Total 5 star reviews: 34 Total 4 star reviews: 5 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
100%would recommend this product
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39 reviews
  • CT
    craig t.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    3 months ago
    Wash 🧽 wash 🧼 love

    Wash it with salty happy 😆 with the clean

  • AR
    Adam R.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    5 months ago
    Like butter

    Love everything about them !!!!🤙🏾

  • SS
    Shane Slackey S.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    9 months ago

    Works like a champ.

  • SB Profile picture for Stephanie B.
    Stephanie B.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    10 months ago
    Best product to use on your boat.

    I use Salty Captain exclusively for washing my 6 pack Charter boat Fish Invader. Less scrubbing and more shine when you use this product. Captain Stephanie Emeryville, CA USA

  • CC Profile picture for Charlie C.
    Charlie C.
    Verified Buyer
    I recommend this product
    Rated 4 out of 5 stars
    10 months ago
    Good stuff!

    Cleans the salt off my boat like it was never there!

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The Exterior Salt Wash Detergent works great with these products:

Salt wash detergent isn't just a cleaner; it's a vital maintenance formula for any sea-going vessel. Understanding its benefits, how it works, and why it's essential can help ensure that you're giving your boat the care it deserves.

What is Salt Wash Detergent?
Salt wash detergents are specially formulated cleaning agents designed to combat the corrosive nature of saltwater. When saltwater evaporates, it leaves behind salt crystals that can corrode metal, damage paint, and weaken fabrics. Salt wash detergents contain chemicals that not only dissolve these crystals but also leave behind a protective layer to prevent future corrosion.

Why is It Essential for Boat Maintenance?
Salt can accelerate the rusting process and damage the gel coat on your boat's surface. Regular washing with salt wash detergent after every outing helps to preserve the integrity of the boat’s exterior. This routine maintenance can save you money by reducing the need for repairs and extending the lifespan of your boat.

How Does Salt Wash Detergent Work?
Salt wash detergents work by breaking down and removing salt residues. They are typically applied with water, and their chemical composition actively lifts salt from the surface. After application, the solution is rinsed away, taking the dissolved salt with it. Many formulations also have rust inhibitors that bond to the metal surfaces, providing an additional layer of protection.

When Should You Use Salt Wash Detergent?
The best practice is to use salt wash detergent after each voyage in saltwater. Even if the boat doesn't look dirty, invisible salt can still be present and causing damage. Regular washing is particularly important in areas with high humidity, where salt residue can attract moisture from the air, creating a continuously damp, corrosive environment.

Long-Term Benefits of Regular Use
Using a salt wash detergent regularly can have several long-term benefits:

  • Preventing Corrosion: By removing salt, you prevent the boat from undergoing corrosion and rust, especially around metal fixtures and fittings.
  • Protecting Paint and Gel Coat: The detergent helps to maintain the integrity of the boat's paint job and gel coat, keeping it glossy and reducing the likelihood of osmosis in fiberglass hulls.
  • Maintaining Resale Value: A well-maintained boat has a higher resale value. Regular cleaning is a sign to potential buyers that the vessel has been cared for properly.
  • Enhanced Safety: Corrosion can lead to equipment failure. Keeping a boat clean reduces the risk of unexpected breakdowns due to corroded parts.

Environmental Considerations
Eco-friendly salt wash detergents are available for those concerned about the impact of cleaning chemicals on the marine environment. These solutions use biodegradable ingredients that are less harmful to marine life and water quality.

In Summary
Incorporating salt wash detergent into your post-sailing routine isn’t just about keeping your boat looking its best—it’s about safeguarding your investment and enjoying safe, reliable outings for years to come. By understanding the critical role of these detergents in marine maintenance, boat owners can take proactive steps to ensure their vessels remain in top condition.