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Marine 31 Gel Coat Heavy-Cut Oxidation Cleaner

Say goodbye to dull, faded, chalky gel coat!

Marine 31 Gel Coat Heavy-Cut Oxidation Cleaner is the solution for chalky, heavily oxidized gel coat surfaces – standard and painted.  Advanced diminishing abrasives quickly remove oxidation while lubricating oils ensure a long buffing cycle and easy wipe off.  Marine 31 Gel Coat Heavy-Cut Oxidation Cleaner will restore the shine and luster to the most neglected boats. 

Not all marine-specific compounds and oxidation removers are created equal!  Marine 31 Gel Coat Heavy-Cut Oxidation Cleaner was developed and fine-tuned right here in south Florida, one of the most popular states for boating enthusiasts.  Florida is called the sunshine state for good reason, so it was imperative that Marine 31 Gel Coat Heavy-Cut Oxidation Cleaner be easy to use, even in direct sunlight.

The secret to the immense leveling ability of Marine 31 Gel Coat Heavy-Cut Oxidation Cleaner lies in its advanced abrasive technology.  Marine 31 pioneered a gel coat specific diminishing abrasive that quickly and effortlessly removes heavy oxidation, scratches and chalkiness without scouring or hazing the finish.  Years of neglect will disappear right before your eyes, revealing a glossy finish worthy of a brand-new boat. 

Unlike a traditional heavy cut marine compound, Marine 31 Gel Coat Heavy-Cut Oxidation Cleaner is exceptionally easy to use, even in humid climates.  You’ll quickly appreciate its long buffing cycle and easy wipe off.  Marine 31 Gel Coat Heavy-Cut Oxidation Cleaner can be applied by hand, circular polisher or dual action orbital polisher.

Marine 31 Gel Coat Heavy-Cut Oxidation Cleaner is harbor safe and eco-friendly.

Marine 31 Gel Coat Heavy-Cut Oxidation Cleaner removes years of oxidation and yellowing, revealing a glossy finishDirections:

  1. Shake well before using and ensure surface is cool to the touch.
  2. Apply an “X” of product directly onto heavy cutting foam or wool pad and spread product over a 2’ by 2’ area.
  3. Circular polisher:  Set speed between 1200 and 1800 RPM.  Random Orbital polisher:  Set speed between 6000 and 7000 OPM. 
  4. Practice a slow arm movement while applying medium pressure.  Work product until it starts to turn clear.
  5. Remove residue with a clean, dry microfiber towel. 

For best results, follow up with Marine 31 Gel Coat Gloss & Color Restorer to further refine the surface and maximize gloss.

16 oz.

Made in USA

Marine 31 products are harbor safe and eco friendly!

Marine 31 Gel Coat Heavy-Cut Oxidation Cleaner

Our Price: $19.99
Item ID: M31-210
Availability: Usually ships the same business day
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12 Reviews

8 Reviews
88% (7)
13% (1)
0% (0)
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88% Recommend this product (7 of 8 responses)
By Richard Weaver
Sebring, FL
September 12, 2016
Great Product
Cut a big job down to size!
By Dan Hart
San Jose, CA
June 30, 2016
Marine 31 Gel Coat Oxidation Cleaner
Works really well, my boat was completely oxidized. This product really took the oxidation off. Will buy more when needed.
ProsEasy To Use Works Well Without Heavy Scrubbing
By John
April 12, 2016
EXCELLENT RESULTS ON MY SLIGHTLY FADED 2008 SEA HUNT Followed up with Sealant Looks great no flat spots or streaks. Would recommend highly .
By Paul
Pittsburgh, Pa
January 11, 2015
Amazing results with little effort
My topside was oxidized, I would describe it as medium oxidation. I used this product and my dual action buffer with a heavy cut yellow foam pad. With just two or three easy passes the oxidation was gone and the Gelcoat shine like new once again. This worked much better than the 3M product I normally would use. Great product.
ProsEase of use, duration of time product is workable, dust,ess removal.
ConsNone found
By Ray
Lake Gaston, NC
June 26, 2014
Fast & Easy
I couldn't believe how well it worked on my heavily oxidized boat. Put it on with an orange buffing pad and the oxidation came right out. Didn't have to do multiple applications or a lot of the product to get the original shine back. It sold me on all Marine 31 products.
ProsEasy to apply, works the first application, buffs out quickly, not a lot of the product is needed to get excellent results. PS. Super fast delivery.
By Mark
Northern Virginia
June 23, 2014
Marine 31 Gel Coat Heavy Cut
Used it on my 2011 Heartland Big Country. Removed the oxidation and made the coloured front and rear caps shine like new.
By Fishy One
May 14, 2014
Good stuff
Does what it is supposed to do I used a DA and wool pad and the gel came to life
ProsEasy to use and goes a long way
By Darren H.
August 26, 2013
Great Product!,
Bought this product hoping to restore a shine to a 1994 Grady White that had staining and heavy oxidation. Results exceeded my expectations. One pass using a Flex 3401 polisher and a light cutting pad and the oxidation and staining were gone. I highly recommend if you are looking to make your boat look new again.