Marine 31 Mildew Stain Remover & Cleaner | Eliminates Stains from Marine, Boat, Home & Patio Surfaces | Cleans Bathrooms, Showers & More | M31-371 | 32oz

Price: $34.99
(as of Feb 28, 2026 07:53:23 UTC – Details)

From the brand

If there is one thing that coastal South Florida is known for (aside from the awesome weather), it’s the amount of boats that call this place home. But what about boat care? They’re painted and protected too, right? Shouldn’t boats have dedicated products to care for their exterior surfaces as well? Yes, they should – and that’s why Marine 31 was created.

Have oxidized steel? Make it shine bright again with the Stainless Steel Polish and keep it protected with the Stainless Steel Sealant!

Check Out Our Best Sellers

EASY TO USE: Simply spray the product directly onto the surface and allow to sit for 1 to 3 minutes. Agitate the surface with a brush or terry cloth towel, then thoroughly rinse and dry the surface.
MULTIPLE USES: Safe for Boats, Home, Bathroom & Shower, Vinyl, Tile, Grout, Patio, Coolers, and just about anywhere else that may accumulate stains. Marine 31 Mildew Stain Remover works like no other!
SAFE: Erase unwanted stains without risk of discoloring, dulling or drying out vinyl seats. Even the most severe stains are no match for the cleaning power of Marine 31 Mildew Stain Remover.
FAST WORKING: Marine 31 Mildew Stain Remover quickly erases stains from surfaces including vinyl, fiberglass, gel coat, canopies & more without the need of abrasive power washing and/or scrubbing.