---
product_id: 416035400
title: "Marine 31 Mildew Stain Remover & Cleaner | Eliminates Stains from Marine, Boat, Home & Patio Surfaces | Cleans Bathrooms, Showers & More | M31-371 | 32oz"
brand: "marine 31"
price: "¥13420"
currency: JPY
in_stock: true
reviews_count: 9
category: "Marine 31"
url: https://www.desertcart.jp/products/416035400-marine-31-mildew-stain-remover-and-cleaner-eliminates-stains-from
store_origin: JP
region: Japan
---

# Multi-surface mildew & stain remover Fast-acting formula (1-3 min) Safe on vinyl & marine surfaces Marine 31 Mildew Stain Remover & Cleaner | Eliminates Stains from Marine, Boat, Home & Patio Surfaces | Cleans Bathrooms, Showers & More | M31-371 | 32oz

**Brand:** marine 31
**Price:** ¥13420
**Availability:** ✅ In Stock

## Summary

> 🛥️ Make stains walk the plank—fast, safe, and spotless!

## Quick Answers

- **What is this?** Marine 31 Mildew Stain Remover & Cleaner | Eliminates Stains from Marine, Boat, Home & Patio Surfaces | Cleans Bathrooms, Showers & More | M31-371 | 32oz by marine 31
- **How much does it cost?** ¥13420 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/416035400-marine-31-mildew-stain-remover-and-cleaner-eliminates-stains-from)

## Best For

- marine 31 enthusiasts

## Why This Product

- Trusted marine 31 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Skip the Scrub Marathon:** Fast-acting formula removes stains without harsh scrubbing or power washing.
- • **Gentle Yet Mighty on Vinyl:** Erases mildew without dulling or discoloring your prized marine seats.
- • **Trusted by Pros & Homeowners Alike:** Top-rated with 4.6 stars and a cult following among boaters and homeowners.
- • **Spray, Wait, Wipe – Effortless Clean:** Just spray, sit back for 1-3 minutes, then wipe away stubborn stains with ease.
- • **Versatile Powerhouse for Every Surface:** From boat seats to bathroom tiles and patios, one cleaner to rule them all.

## Overview

Marine 31 Mildew Stain Remover & Cleaner is a concentrated, fast-acting solution designed to eliminate mildew and tough stains from marine, home, and patio surfaces. Safe for vinyl, fiberglass, gel coat, and more, it cleans effectively without discoloring or damaging materials. Ideal for busy professionals seeking a reliable, multi-surface cleaner that delivers showroom-quality results with minimal effort.

## Description

Buy Marine 31 Mildew Stain Remover & Cleaner | Eliminates Stains from Marine, Boat, Home & Patio Surfaces | Cleans Bathrooms, Showers & More | M31-371 | 32oz: Cleaners - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Safe for synthetic materials - Works great! Made our seats look brand new
Review: Boat seats - Work great on the boat seats

## Features

- 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09KY8Y4YT |
| Best Sellers Rank | #51,813 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #72 in Boat Cleaners |
| Brand | Marine 31 |
| Customer Reviews | 4.6 4.6 out of 5 stars (319) |
| Date First Available | October 24, 2021 |
| Item Weight | 2 pounds |
| Item model number | M31-371 |
| Manufacturer | Marine 31 |
| Manufacturer Part Number | M31-371 |
| Model | Marine 31 Mildew Stain Remover & Cleaner 32 oz |
| Package Dimensions | 13.11 x 4.96 x 4.13 inches |
| Special Features | Concentrated |

## Product Details

- **Brand:** Marine 31
- **Item Form:** Spray
- **Material Feature:** Unscented
- **Scent:** Unscented
- **Specific Uses For Product:** Bathtub, Deck, Shower, Sink, Tile

## Images

![Marine 31 Mildew Stain Remover & Cleaner | Eliminates Stains from Marine, Boat, Home & Patio Surfaces | Cleans Bathrooms, Showers & More | M31-371 | 32oz - Image 1](https://m.media-amazon.com/images/I/316ySPVusiL.jpg)
![Marine 31 Mildew Stain Remover & Cleaner | Eliminates Stains from Marine, Boat, Home & Patio Surfaces | Cleans Bathrooms, Showers & More | M31-371 | 32oz - Image 2](https://m.media-amazon.com/images/I/31wcMd5PvFL.jpg)
![Marine 31 Mildew Stain Remover & Cleaner | Eliminates Stains from Marine, Boat, Home & Patio Surfaces | Cleans Bathrooms, Showers & More | M31-371 | 32oz - Image 3](https://m.media-amazon.com/images/I/61MZ8ooHB-L.jpg)
![Marine 31 Mildew Stain Remover & Cleaner | Eliminates Stains from Marine, Boat, Home & Patio Surfaces | Cleans Bathrooms, Showers & More | M31-371 | 32oz - Image 4](https://m.media-amazon.com/images/I/71YBE77nrhL.jpg)
![Marine 31 Mildew Stain Remover & Cleaner | Eliminates Stains from Marine, Boat, Home & Patio Surfaces | Cleans Bathrooms, Showers & More | M31-371 | 32oz - Image 5](https://m.media-amazon.com/images/I/71HtqLjUT6L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Safe for synthetic materials
*by A***R on December 16, 2025*

Works great! Made our seats look brand new

### ⭐⭐⭐⭐⭐ Boat seats
*by G***D on December 13, 2025*

Work great on the boat seats

### ⭐⭐⭐⭐⭐ Great product
*by J***N on September 21, 2025*

Finally a mold and mildew cleaner that really works 💪

## Frequently Bought Together

- Marine 31 Mildew Stain Remover & Cleaner | Eliminates Stains from Marine, Boat, Home & Patio Surfaces | Cleans Bathrooms, Showers & More | M31-371 | 32oz
- 303 30306 Marine and Recreation Aerospace Protectant - 32 oz.
- Marine 31 Vinyl Cleaner & Conditioner | Cleans & Protects Marine, Boat, Home & Patio Furniture Vinyl | Restores Flexibility & Shine | 20oz Spray Bottle | M31-400

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-17*