Marine 31 Mildew Stain Remover - 16 oz.

Item Description:

Cleans stubborn mold and mildew

Fast and effectivve mold & mildew cleaner

Use on plastic, vinyl, canvas, fiberglass and gel coat

Easy-to-use formula for fast results

Mold and mildew are a real problem for boat owners around the world. The wet, nautical environment promotes the growth of this often foul-smelling eyesore. Marine 31 Mildew Stain Remover quickly removes mildew stains from almost every marine surface including vinyl & canvas seat cushions, bumpers/fenders, gel coat, fiber glass, canopies, flotation devices and water tubes. Stop one of boatingís most common eyesores in its tracks with Marine 31 Mildew Stain Remover.

Marine 31 Mildew Stain Remover quickly destroys and lifts mold and mildew from virtually any surface. Using a fast and effective cleaning formula Marine 31 Mildew Stain Remover uses a unique chemistry to kill and dissolve this fast spreading nuisance. As the name suggests, Mildew Stain Remover is the ideal solution to remove both fresh growth and stubborn stains.

Strong cleaners or pure bleach are often the recommended treatment to kill mold. While they may do a great job cleaning, they may also promote the oxidation (chalking) of vinyl surfaces. Marine 31 Mildew Stain Remover uses a gentle cleaner that will not degrade the quality of your boatís surfaces.

  1. Spray directly onto surface and allow 1-3 minutes of penetration.
  2. If necessary, agitate surface with a brush or terry cloth towel.
  3. For stubborn stains, allow cleaner to penetrate for 5 minutes prior to agitating.
  4. Thoroughly rinse and dry surface.
  5. Follow with Marine 31 Mildew Stain Guard to protect clean surfaces.
16 oz. Made in USA

A Word From The Captainís Chair:
I never leave port without a bottle of Marine 31 Mildew Stain Remover. I like my boats to be in tip-top shape. Nothing looks (or smells) worse than moldy seats or mildew-covered life jackets. Use Marine 31 Mildew Stain Remover to keep all parts of your boat looking (and smelling) great.

ORMD Warning - Federal regulations prohibit this product by shipping via air. This item is shipped by GROUND service only.

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Product Reviews

Review Summary
6 Reviews
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100% Recommend this product (6 of 6 responses)
By IanK
Chadds Ford, PA
Best for Mildew
September 8, 2014
I've never seen a product work as fast as Marine 31 Mildew Remover at dissolving mildew before my eyes. Spray it on and within moments - no more mildew. I've used it on both vinyl boat seats and pool floats with amazing results. It may cost a little more then a gallon of bleach but it's far safer!
  • Easy to use
  • Smells way better then bleach
By David
Old Forge N Y
June 26, 2019
I was totally blown away by the results. I have tried at least 10 to 15 different mildew removers over the last 25 years of boating. Even with excessive scrubbing they didnít come close to the results I got with Marine 31. All I did was spray it on and within 5 minutes most of the mildew discoloration had disappeared. I purchased the small spray bottle first as I was skeptical however I am now buying the refill and will continue to use this product. Thanks so much Marine 31
By Linda
Edwards, Missouri
Excellent product
July 16, 2018
This product is unbelievable! It removed old mildew and black stains off our golf cart seat that wouldn't budge with any other cleaner. Same with our boat seats. Used on old white plastic lawn chairs I was planning to throw away because they were so ugly. Cleaned them without even scrubbing! Love it
  • Remove the most stubborn stains
  • Be sure to rinse well, even if you let it dry and forgot. Put bleached out stripes on a friends' swimsuit bottom (luckily an OLD one)
By Jim
Park Falls, Wisconsin
Marine 31 Mildew Remover Worked Peefect
July 14, 2018
Marine 31 mildew remover did what is said it would do! It removed years of dirt mold & mildew. Important to spray evenly on seats, let sit, use a rag or soft brush to get the texture cleaned. Rinsed off and I had to repeat. After the second application cleaning my seats look new. Only do a particular area at a time. Not sure of the formula but you do get a mild bleach smell. So I made sure I rinsed the surface and surrounding area well.
  • Marine 31 works! EZ to use.
  • Really nothing bad to say. Just rinse off the product and dry well.
By Goldfinger
Port Orange, FL
Minimal effort removal!
February 14, 2018
Boat was covered with mildew, some spots more than others. Most spots come right off with minimal effort. On difficult areas, just need to spray and wait a bit before it works.Great product!
By Jacob
Danbury, CT
June 28, 2016
This mildew remover brought back the bright white color of my hull and vinyl seats I thought it would never become gleaming white again but this was my final try and it worked!!!!