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Marine 31 Mildew Remover Gallon & 20 oz. Combo

Marine 31 Mildew Remover Gallon & 20 oz. Combo
Money-saving combo includes gallon plus a full 20 oz. bottle!

Marine 31 Mildew Remover quickly and safely removes stubborn mildew stains on virtually all marine surfaces, including vinyl seat cushions, rubber fenders, fiberglass, gel coat, canopies, and more! Marine 31 Mildew Remover forgoes volatile cleaners and instead relies on smart chemistry; even severe mildew growth is no match for the incredible cleaning power of Marine 31 Mildew Remover.

Marine 31 Mildew Remover is the best boat mildew cleaner available!If youre a boater, chances are youve dealt with stubborn mildew stains on vinyl cushions. If youre reading this product description, chances are youve been less than satisfied with the performance of other so-called marine mildew cleaners. Fortunately for you, weve compared Marine 31 Mildew Remover against other marine mildew cleaners and have found that it removes mildew stains faster, with less effort.

Not all marine mildew removes are created equal! Most over-the-counter marine mildew cleaners rely on heavy concentrations of bleach and other volatile chemicals that actually cause more harm than good. Marine 31 Mildew Remover removes stubborn mildew stains without discoloring, dulling, or drying out vinyl surfaces. Best of all, it still retains the powerful cleaning ability to remove mildew stains FAST!

Use Marine 31 Mildew Remover on:
  • Vinyl cushions and chairs
  • Rubber fenders
  • Fiberglass
  • Gel coat
  • Canopies
  • Boat tops
Marine 31 Mildew Remover works wonders for household cleaning as well! Use this professional strength formula to clean tile, grout, showers, bathtubs, counters, and sinks.

Marine 31 Mildew Remover works FAST!Directions:
  1. Spray directly onto surface and allow 1-3 minutes for penetration.
  2. If necessary, agitate surface with a brush or terrycloth towel.
  3. For stubborn stains, allow cleaner to penetrate for 5 minutes before agitating.
  4. Thoroughly rinse and dry surface.
  5. Follow with Marine 31 Mildew Guard to protect treated surfaces.
Includes 128 oz. and 20 oz. bottle with sprayer.

Made in USA

Federal regulations prohibit the shipment of this products by air, UPS 3 Day, UPS 2, or US Mail. This item is shipped by UPS Ground only. Sorry but no APO or FPO addresses.

Marine 31 Mildew Remover Gallon & 20 oz. Combo
Item #: M31-372-COMBO
Our Price: $71.98
Sale price: $57.99 - You Save $13.99 (19%)
Availability: Usually ships the same business day

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Product Reviews

39 Reviews
97% (38)
3% (1)
0% (0)
0% (0)
0% (0)
100% Recommend this product (39 of 39 responses)
Topsail Beach
Best product I have ever used for mildew
Getting mildew off my GradyWhite upholstery has always been really a tough job. Marine 31 made a huge annual spring clean up much more successful without the elbow grease. This stuff is a strong caustic so wear gloves! Recommending this to Atlantic Marine so they have it to sell and use on other Gradys
ProsVery effective and takes very short exposure to chemical to remove mildew
Naples, Fl
Marine 31 Mildew Remover
Great product. Works as advertised.
Grove, OK
Best product ever!
Marine 31 is the best product I've tried! This is not just for boats. I've used it on boats seats, metal railings, lawn furniture, decking, stone steps. etc.
Great Stuff!
Easily as good or better than any other mildew removers tried. Now if only they made a spider spot removal product. That's the worst of my cleaning problems.
New Port Richey, FL
This Stuff Works!
It's been a harsh winter so far this year in boating Florida -- and our boat seats showed it. Enter Marine 31 Mildew Remover! Great value dollar-wise with this combo offering.
ProsWorks! Well!
ConsNone, really. DO wear a mask ?€?. of course.
north Florida
It Works
This is the latest product I have used to clean up my 18 foot pontoon boat. To date it is the only one that actually did the job of removing mildew. Initially I thought it was a little pricey but since it works I would call it a bargain. Recommend.
ProsIt does the job
Consstrong odor
Ft Myers Fl
The Best
This is an incredible product that does everything that it claims! We purchased an pontoon boat in Florida that had seats that were almost black with mildew. We were contemplating getting new seats but decided to try Marine 31. We tried it and were shocked! The seats are now white and look new. The hard part is waiting for the 5 minutes to pass before wiping it off. It's actually quite fun using it. It should be named Miracle 31.
ProsVery easy to use.
Ramara, Ontario, Canada
I don't write reviews but this one just made my fingers do the typing.

I tried 4 others before Marine 31 - Starbrite, etc. Searched Google and saw Marine 31 sprayed on a boat seat with mold and watched it disappear without scrubbing. Ordered it and tried it on the seat of my jet ski and started out feeling disappointed because the mold did not come off as shown on the video. So, I a left it and lit a cigar, got another glass of champagne and wandered off to do something on the boat. About 15 minutes later I walked back to the jet ski to dry it off and put the cover back on and VOILA....AMAZING!! ALL the mold and mildew - GONE!! I wish I recorded the before and after. Will be happy to do a commercial for free....ha ha....great product! Thank you and best wishes!
Melbourne Florida
Amazing results
My boat is 20 years old. I€™ve owned it for a year. The seats had mold stains. I tried every product on the market, and everything I could find on line to get the stains out. The stains remained. After reading several reviews about marine 31 I thought I would give it a try. The delivery was exceptionally fast. I tried the product immediately and could not believe the results. The newer mold actually disappeared before my eyes. The older stains started to lessen in color. And after several more applications the stairs were completely gone. This is an amazing product. As I said I have tried everything that I could research, and everything I could buy on the shelves. I thought my only option was to have the Seats Recovered. If you have tried everything to remove mold from Boat Seats and other similar items, do not let the price of the product deter you. I live in Florida, I believe it is the mold capital of the world. I would highly recommend this product to anyone who is fighting mold.
ProsWorks fast Completely removed mold stains Fast delivery Easy to use
ConsSlightly strong odor definitely want to use well ventilated as directed
BEST Product Ever!
I found this product by watching YouTube uses and reviews so I gave it a try. It is fantastic. It is the only mold and mildew cleaner I have found that really works and I've tried them all. The product does all the work. Just spray it on, wait a few minutes and wipe off the stains, mildew and grime. It is absolutely fantastic.
ProsEasy to use. Works great. Good price.
Works as advertised
When applied to dry vinyl and then left for a few minutes, the discoloration fades.
I used other products claiming to be €œthe only cleaner you need€ and they did not even come close to the results of Marine 31.
I will buy this product again.
Powhatan Point, OH
I purchased an older pontoon boat and the seats looked awful with mildew. After watching a video of Marine 31 mildew remover I decided to try it. Do not hesitate buying this product. It works as stated and very easy to do. The seats look as good as new.
ProsEasy to use!
Works great
Made pontoon boat look new
White Stone, VA
Great Product
This is the best product I've used for mildew removal. It even refreshes the topside fiberglass.
ProsEasy to use. Works excellent.
ConsIf you miss a spot you'll know!
THIS STUFF IS ABSOLUTELY AMAZING!!!!! We have tried everything on our boat. Other chemicals only got some things out but not everything. Our boat still looked dirty!! We moved and unfortunately neglected our boat for 2 years because we were soo busy working on house. Our boat & seat cushions looked horrible! We wanted to clean our boat up good and start using it again. As a last option, we found this online and decided to buy it and give it a try. I'm telling you our seat cushions are now white as snow.....literally. It's amazing! And we are soo happy!!!
Citrus County FL
Works amazing on mildew
I found Marine 31 via YouTube. This stuff its amazing. I tried everything to clean up a boat I had just bought. This stuff with a 2 minutes speak worked where nothing else would.
Pass Christian, MS
Worth the cost
Simply the best mold and mildew remover I€™ve ever seen. I was hesitant about the price but the product is awesome. Most of the mold and mildew was dripping off my chairs before I even rinsed with water.
ProsEasy and effective
Great product
I wish I had taken pictures of before and after!
Great product
Works as described
Splendora, Tx
The Absolute Best!!!
I€™ve tried everything I could get my hands on going on 4 years now and have practically scrubbed a hole in my vinyl seats on my pontoon boat and still could not get rid of it all. This year parts of my seats were totally black and I was thinking I may need to replace them. Then I found Marine31. It feels and smells like bleach, but I€™ve tried bleach and it is not the same. I sprayed Marine31 on my seats and within a couple minutes there was absolutely no trace of mildew/mold on my seats! I didn€™t even have to scrub them. I€™ve even used it in my tile shower in spots I couldn€™t get totally cleaned. Marine31 is awesome!!!
ProsIt works!!!
ConsUse in well ventilated areas. The stuff is strong, but totally worth it!
North Carolina
Amazing & Easy!
Researched reviews of all mildew remover products, and decided to try Marine 31. It was amazing! Mildew on boat seats literally began disappearing upon spraying. Very little scrubbing involved.
Paducah ky
Works Good
At first it didnt do much for us but im impatient. We sprayed it a few times and waited then done the process and was was definitely lighter but not gone. So we knew it was about to rain so we just sprayed everything real quick and got out. The next day after it set on everything it was 85 percent gone. I am very pleased there was alot of mold and the vinyl was white. After being completely done we took a vinyl spray that works amazing in water and does not peel or come off and put a light thin coat over the left over spots and it is like new. Without marine 31 I believe the vinyl spray would not had covered it up. So glad we got a gallon of it. We also used it on a old fourwheeler that has set for years and just spraying it made it look new again. We didnt have to scrub or anything. I love it and ill buy a gallon everytime I get close to running out. Not to mention what it done to the side of the house and the showers! No scrubbing for this girl!
ProsIt actually works
ConsAlittle prices but worth it! You get what you pay for!
Terrific product
Effective product that easily removes mildew! Spray and wait a few minutes equals instant results. Save money and choose this product first.
East Tx
So easy!
The annual dreaded task of cleaning our boat upholstery has become an easy maintenance task due to Marine 31 mildew remover. It's incredibly effective!
ProsEasy to use and quickly effective.
ConsJug cap had seeped a small amount of contents during shipping.
Owens Cross Roads, Alabama
This product does exactly as advertised! Exceptional!
Houston, TX
Works like magic!
Wow my pontoon was completely covered in mildew and after spot testing other products I almost gave up and thought I'd have to redo all my seats, it was that I thought, until I found marine 31 on Google and after so much good feedback I had to see it to believe it myself. When received I sprayed it and you can immediately see it work it's magic! It was very easy to use spray, soak a minute and wipe didn't even have to scrub. Attached are my before and after pictures my boat looks new again! Will definitely buy it again.
ProsIt works!!! Easy to wipe
ConsBleach smell Will bleach clothing if it comes in contact Wear gloves
Bradenton, FL
Reviving Old Flotation Gear
Helped a friend who bought a used boat with flotation gear left in the bow (outside) for a year.

Was advised by the company that detailed the hull that the gear couldnt be salvaged.

We are talking about 10 orange jackets 2 ski belts and small canvas.

Decided to take this project on to try to save my buddy some money. After research, I came accross reviews (and demos) of locally purchased "suggested" name brand products (and their dissapointing results), I Saw the video for Marine31 by ShipShape tv and thought I'd give it a try.

All gear is revived now with Marine31 )with very little effort).

I also decided to use it on the vinyl seats and saw huge improvement that I thought were already cleaned, using other automobile type cleaners.

Huxley, TX
Great Product
I've used a lot of different products over the years to remove mold and mildew on boats and this is by far the best product I have used. I would definitely recommend this product.
best ever used