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“Smells amazing and leaves a slick, glossy finish. Can’t wait to hit the water!” – Jenna K

SiO2 Boat Soap

SiO2 Boat Soap

  • Get a mirror-like shine that lasts

  • Rinse & dry faster with water beading

  • Defend against UV and salt damage

Limited Time Deal!

Regular price $10.00 USD
Regular price Sale price $10.00 USD
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In stock • Ships by Fri, Jul 11

Unleash the ultimate shine and protection for your boat with our premium SiO2 Boat Soap. This pH-neutral formula gently washes away dirt, grime, and salt residue while leaving behind a protective layer of SiO2 (silicon dioxide). This advanced technology delivers exceptional benefits:

  • Brilliant, High Gloss Finish: Witness a mirror-like shine that enhances your boat's beauty for extended periods.
  • Superior Water Repellency: Experience the satisfaction of water beading up and rolling right off, making rinsing and drying a breeze.
  • Long-Lasting Protection: Our SiO2 formula forms a durable barrier that shields your boat's surface from harsh elements, UV rays, and environmental contaminants.
  • Safe for All Surfaces: The gentle, pH-neutral formula is safe for use on gelcoat, paint,fiberglass, metal, vinyl, and rubber.

SiO2 Boat Soap: The perfect formula to keep your boat looking showroom fresh, wash after wash.

  • Easy to use
  • Safe for washing in direct sunlight
  • Enhances watercraft colors
  • Smells like Pina-Colada! 
  1. Spray It On: Apply directly to salt-covered surfaces — or flush through your engine.
  2. Let It Sit: Wait 2–5 minutes while the formula dissolves salt buildup.
  3. Rinse or Wipe Clean: Wash it off with fresh water or wipe with a cloth. That’s it.
  • After boating, jet skiing, or fishing in saltwater
  • Flushing outboard and inboard marine engines
  • Cleaning trailers and wheel wells exposed to winter road salt
  • Maintaining reels, rods, dive gear, and underwater camera equipment
  • Protecting cars, trucks, RVs, ATVs, and off-road vehicles

Is this safe for all surfaces?

Yes! Our formula is safe to use on fiberglass, gelcoat, painted surfaces, metal, chrome, plastic, rubber, and vinyl. It’s non-abrasive and leaves no residue behind.

Can I use this on my boat engine?

Absolutely. Cancel The Salt is engine-safe and designed for use in marine engine flush systems. It helps dissolve internal salt deposits, which can boost performance and extend engine life.

Do I need to scrub the salt off?

Nope. Just spray it on, let it sit for a few minutes, and rinse or wipe clean. The chemistry does the heavy lifting — no harsh scrubbing required.

Does it leave a coating or residue?

It leaves behind an invisible protective barrier that helps repel moisture and prevent salt from sticking again — but it won’t leave any greasy film or buildup.

Can I use it on my vehicle?

Yes — it works great for removing road salt from cars, trucks, trailers, and underbodies. It’s safe for paint and chrome, and helps prevent rust and corrosion.

How often should I use it?

After every saltwater outing or salty road exposure is ideal. For best results, use it as part of your regular maintenance routine — especially before storage.

Will it harm decals, wraps, or wax?

No. It’s designed to be gentle on coatings while still being tough on salt. Always test on a small area if you’re unsure, but most wraps, waxes, and decals are unaffected.

Is it made in the USA?

Yes — we proudly formulate and produce our products in the USA.

Fiberglass, chrome, gelcoat, plastic, rubber, vinyl, paint, and metal — even engine parts.

Formulated to be non-toxic, non-abrasive, and non-corrosive. No harsh scrubbing needed.

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SiO2 Boat Soap

1st Due protects 2,000+ boats, cars & crews

  • Mike B.
  • Emily T.
  • Tyler G.
  • Kevin R.
  • Steven H.
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Engineered for Shine & Protection

Optimized rise, flare, backsweep and compact drops for superior handling on any terrain.

Powerful Salt Removal & Defense

Cleans away salt from boats, cars, and gear.

Full-Boat Protection

Safe for fiberglass, metal, vinyl, rubber & more.

Restore Shine, Fast

Lifts dull salt haze and brings clarity back.

Engine-Flush Friendly

Formulated for internal use without damage.

Customer Reviews

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P
Poor Bois Fishing
Amazing product

This stuff cleans my boat better than regular “name brand” products and at a much lower price. This stuff is awesome and will be buying more when I run out!