Mildew Stain Remover & Cleaner | Effective for Boats, Home, Patio, & Bathroom | Removes Mildew & Mold Stains | Powerful Cleaning Formula | 16oz

Product worked amazing! Just spray and lightly scrub then rinse. Boat seats had mold along tops and spray removed mold with 1 treatment. Seats look new again! Definitely recommend and will buy again!

I have white boat seats with hard plastic backs. Over the last few years black spots have developed on the backs. Washing and scrubbing haven't removed the spots. I sprayed Marine 31 Mildew Stain Remover and Cleaner on them and let them sit for a couple minutes and the stains completely disappeared. I also have some sort of stain on the deck of my fishing boat that hasn't come up with soap or Super Clean or scrubbing. I think it is dried-on chicken juice from when I bait up my crab traps. After spraying the boat seats I thought to myself, "What the heck," and sprayed some Marine 31 on the stains on the deck. Same story. Within a couple minutes the deck was nice and clean without scrubbing or anything. I hosed everything off and it looks great. I'm sold on this stuff. It was recommended for black mildew on a fishing Facebook group and I decided to give it a try. Now I can recommend it to my fishing buddies.

Great mildew removal, used on boat cushions, leave on for just a few minutes, mildew scrubs away easily. No harsh smell. Would buy again

Works great. Didn't realize we had a tear in our cover and this cleaned up the mildew very well without much elbow grease required. We live in Florida so rain and humidity are a forever fight. This keeps my boat looking great.

Used this on my pontoon seats that had stains and dirt on them. Worked great. Couldn’t believe how much better they looked. I’ve tried other products on the advice of the marina, but they did nothing. This got my old seats looking good. Very happy and will continue to use.

Great cleaner for the price! Works well

Used Marine 31 Mildew Stain Remover on my South Bay pontoon that spends most of the year in covered dry storage in Arkansas humidity. After a long winter the vinyl seats had significant mildew staining that I was skeptical anything could fully remove. This product proved me wrong. Sprayed it on — let it dwell a few minutes — light scrubbing with a soft brush and the mildew staining came off remarkably well. The results were impressive considering how long the mildew had been sitting on the vinyl. One thing to be aware of — despite the product not listing bleach as an ingredient the smell is unmistakably bleach-like during application. It dissipates after rinsing but if you are sensitive to bleach smell you will want to work in a well ventilated area or wear a mask. Important tip — thorough rinsing after cleaning is essential. Make sure you rinse the vinyl completely and do not leave any product residue on the seats. Taking the time to rinse properly makes a noticeable difference in the final result and protects the vinyl long term. The important thing is it is safe on marine vinyl — no discoloration or damage to the seats whatsoever. Followed up with 303 Aerospace Protectant after the seats dried and they look better than they have in years. For anyone dealing with mildew on boat seats — especially boats stored in humid environments — this product delivers real results. The smell is a minor inconvenience for the cleaning performance you get. Highly recommend.

When i say this stuff is a Miracle I mean it! I am a picky woman who would have been totally embarrassed to take friends on the boat that had mold on the seats. Tried other products, dawn power wash and magic erasers that didnt work magic. Sprayed this on and left it for 5 min went back and it was gone! If I have before and after pictures next time I will post them. I 1k% recommend this for stubborn mold. It was a MIRACLE.

Crazy expensive. BUT IT WORKS. a lot cheaper than replacing your vinyl thats for sure. I literally tried EVERYTHING and nothing worked. So if you have surface mold and mildew it works in lime a minute. But i had really deep set in mold so it was a process of rubbing it in with a rubber glove. But i would highly recommend.

Great product! Works good

Se produit est incroyable mes bancs étaient plein de petits pico noir je croyais qu’il était scraper mes non il sont revenus flambant neuf wow ces tout simplement magnifique

First of all, yes it works. It removes stains and mildew from most things, but this stuff is simply a very overpriced spray bottle of chlorine bleach. It's extremely obvious as soon as you smell it. They are charging you $60 for something you can buy in a jug for $5. This is such a scam!! Do yourself a favor and put some raw chlorine bleach in a spray bottle, save over $50 and get the same results.