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Product Details

TotalBoat Rust Primer converts rust and prepares metals to be primed and painted. Use it on new metal for superior paint adhesion. Its unique, phosphoric acid-based formula is thin for easy application and excellent coverage of over 500 sq ft per gallon. Use it on just about any metal in high moisture, high humidity environments. It's perfect for marine engines and trailers.

TotalBoat Rust Primer is incredibly easy to use: First, use a wire brush to remove accumulated dirt, grease, loose paint and large rust flakes. Then brush the primer on. The metal will turn black to indicate the chemical change. Let dry. Simply brush off any dried residue and the surface will be ready for primer.

Available in Quart and Gallon sizes.

Info & Guides
Important Safety Information: Phosphoric acid is serious stuff. It can cause serious skin burns and eye damage. Do not breathe its spray, mist, fumes, gas, or vapors. Always wear protective clothing and equipment to protect your eyes and skin when working with TotalBoat Rust Primer. This includes gloves, glasses or goggles, a respirator, and a paint suit or similar protective clothing to keep Rust Primer off your skin.

Reviews for TotalBoat Rust Primer Converter

10 of 18 Reviews

November 13, 2023

So easy to use and works great
By Joe from Griswold, CT

Verified Purchase

I am restoring a 1973 Harley Davidson golf cart. The chassis was very rusty, and I was afraid I would be spending days with a wire wheel to prep for paint. My brother recommended cleaning with a pressure washer and spraying Total Boat rust converter. It worked great as you can see in the pictures, and only took a few hours.

Sprayed with Total Boat Rust Converter Primer
After Pressure Washing
Painted Gloss Black and Ready for Reassembly
Bottom Line Yes, I would recommend to a friend

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September 10, 2022

I will buy this again.
By Doug from Pikeville KY

Verified Purchase

Sprayed the entire underneath of my 1977 Jimmy that's being restored, before undercoating. It did wonders on the rust on the frame and everywhere else. I just used a 16.00 insecticide sprayer from Lowes and it worked great.

Bottom Line Yes, I would recommend to a friend

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December 19, 2021

Best product on the market
By Roof coating from Mobile al

Verified Purchase

I covered a 2000 sq ft metal rusty roof with this stuff it worked as it said it would, I coated some portions and wasn't able to put a roof coating over it for days and the rust has not even begun to come back with just primer on it. This stuff is great

3 stages of coating
Bottom Line Yes, I would recommend to a friend

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October 12, 2021

I have bought this product many times.
By Big "E" from Georgia

Verified Purchase

Spray or brush it on, wait 24 hrs. and brush off the dissolved rust residue. Now its ready to paint if you like. Easy!

Bottom Line Yes, I would recommend to a friend

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October 5, 2021

best product worked ,as advertised
By markus from cato new york rust capital of the world!

Verified Purchase

just what i was looking for.will buy again for shure.

Bottom Line Yes, I would recommend to a friend

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July 18, 2021

Works perfect .
By willis01 from Jonesboro AR

Verified Purchase

I used totalboat on some rusty 2x3 metal and it worked perfectly . i could almost instantly see it turn the rusty metal into a paintable surface .

Bottom Line Yes, I would recommend to a friend

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June 14, 2021

Great as advertised!
By Farmer2 from Princeton , Il

Verified Purchase

I sanded all rust with a DA sander on the top of my 24 ft car hauler. Then put rust stop primer in a regular hand spray bottle and applied that way. Soaked it on good in the shade and let it sit all day. All steel is black. Next step is primer then EPDM rubber coating.

Bottom Line Yes, I would recommend to a friend

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February 21, 2021

It is amaizing
By Mark-thistle from New York, NY

Verified Purchase

I am repairing an old trailer, with a lot of rust, using this product first and it works like a charm.

Bottom Line Yes, I would recommend to a friend

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February 19, 2020

Appears to be working
By Paul from Sayvile Long Island

Verified Purchase

I have only just used the product on some rusted items, followed by metal primer and several coats of paint, so won't be for a couple of years to see how this treated materials hold up to some others I painted before getting the rust primer.

Bottom Line Yes, I would recommend to a friend

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February 19, 2020

Good stuff
By W from Marathon

Verified Purchase

Second time I've used to prep metal surfaces on my Beneteau...works for me....

Bottom Line Yes, I would recommend to a friend

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