Marine 31 Mildew Stain Remover & Cleaner | Effective for Boats, Home, Patio, & Bathroom | Removes Mildew & Mold Stains | Powerful Cleaning Formula | 16oz

Absolutely amazing product. Made my tractor seat look brand new. Just follow the instructions and the mildew disappears! This is a bleach based product, so please wear gloves and eye protection, and watch your overspray and drip.

A friend told me of this product to get rid of mold and mildew stains on vinyl. I have a car that has been in a garage for over 11 years. This product cleaned the seats even down to the creases. It is one of the best products I have purchased in a long time. It is great!!

This stuff works great. I haven’t tried it on my boat yet but I did test it on my zero turn mower that hasn’t had the seat cleaned in 11 years. The results speak for themselves.

Literally made my 2006 all white boat interior look new! Almost no scrubbing needed. sprayed it till it was wet, let it sit for 5 minutes, and I have ZERO spots left of black. pure white again!! My seats were covered with black and I was about to have them re-covered (I have a few holes in the seats so I'm headed towards that anyway but this still might delay that by a few years. even my wife commented that the boat seats look new and asked it I had spent some money that we had not talked about 😂

This product makes surface stains disappear and deeper mildew stains do lighten up. It contains sodium hypochlorite which is a strong bleach, so be careful around stitching, which can be damaged over time.

I had some mildew stains on the windshield cover from my motorhome, so based on other reviews, I tried this. In short, it worked perfectly. I sprayed it on the cover fairly heavily and let it sit for about 30 minutes, until all the spray was dry. Then I hosed it off to get rid of the excess cleaner (it has a strong chlorine smell, so I suspect it would damage the vinyl if left on without rinsing - that’s an opinion, not a fact). When I was finished, the cover looked as good as new. One heads up for future buyers. I used almost the entire bottle on my windshield cover. If you have a lot of things to clean, you may well need multiple bottles. But, it’s easy to use, no scrubbing, and it works. At least it did for me.

My husband and I recently bought a five year old boat from an individual. The boat had been stored in a marina for most of its life, and its white upholstery looked like a Dalmatian’s coat due to mildew spotting. We had already budgeted in a reupholstery job, but figured we’d try to treat it just in case we could save the original cushions. We tried two different products (along with a whole lot of elbow grease) to no avail. I bought this stuff fully expecting more disappointment but was shocked by how well (and quickly) it worked. I sprayed it on a particularly bad spot on the upholstery and turned my back for a moment to pick up my nylon brush. By the time I turned around, the mildew was completely gone. I didn’t have to scrub at all. This stuff saved our upholstery and our wallets. If I ever find myself with a mildew problem on the boat again, I will save myself some time and money and start with this instead.

Excellent product! My boat seats look brand new!!!