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Product Details

TotalBoat Aluminum Etch Wash ensures that paint, epoxies, glues and other coatings stick to your aluminum boat better, and last longer. This surface prep treatment provides thorough surface cleaning, corrosion protection, and etching in a single application.

Use Etch Wash on bare aluminum, galvanized steel, and other non-ferrous metals. It's great for pontoon boats, duck boats, fishing boats, and other aluminum-hulled vessels.

To use, simply apply Aluminum Boat Etch Wash, allow it to remain on the surface for five minutes without drying, then rinse with water and dry. The surface is now ready to be coated. Paint or polish immediately before oxidation occurs.

Available in Quart and Gallon sizes.

Tech Specs
Application Method Brush or Spray
Number of Coats Necessary 1
Cleanup Water
Substrates Aluminum
VOC Content < 250 g/L
Info & Guides
IMPORTANT: For best results coating the metal, dry the surface completely and apply paints, primers, epoxy, or polish immediately after application and etching.

Why Etching Aluminum Is Important

Aluminum is a notoriously tricky material to paint or coat. Getting a finish to stick usually requires sanding with coarse grit sandpaper until bright, then priming with a specialty primer. The Zinc Chromate primers commonly used in the past are expensive, and less widely available due to environmental concerns. Instead of painting, some choose to anodize aluminum. But if you want to prime and paint, you certainly can. And, you can get excellent results.

The secret lies in etching the surface with the right product. Compare TotalBoat Aluminum Etch Wash to Alodine or Alumiprep 33. Our phosphoric acid-based etching wash is fast and easy to use, and creates the toothed surface required for epoxy primer or paint to bond successfully and durably.

Important Safety Information:

Phosphoric acid is dangerous to work with because it can cause serious skin burns, eye damage, and respiratory system damage. Do not breathe its spray, mist, fumes, gas, or vapors.

Always wear protective clothing and equipment to protect your eyes, skin, and lungs when working with TotalBoat Aluminum Boat Etch Wash. This personal protection includes gloves, glasses or goggles, a respirator, and a proper apron or similar protective clothing.

Reviews for TotalBoat Aluminum Boat Etch Wash

4 of 4 Reviews

July 14, 2021

Aluminum Trailer
By Dslo from New Hope PA

Verified Purchase

Used this to prep a flat bed trailer before painting.


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October 3, 2020

good product
By oxrsc from West Columbia,TX

Verified Purchase

worked great

Bottom Line Yes, I would recommend to a friend

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July 31, 2020

Worked as promised
By TER from Roanoke, VA

Verified Purchase

Used this to prep motorcycle panniers for paint. Found I needed to lightly sand them with 320 grit before using the prep wash. Also left the product on for 10 minutes as apposed to the recommended 5. Saw a definitive color change in the aluminum and the paint coats adhered great.

Bottom Line Yes, I would recommend to a friend

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December 4, 2018

worked well
By shoefly from MN

Verified Purchase

cleaned and left a surface that helped the paint adhere.

Bottom Line Yes, I would recommend to a friend

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