10 Best mildew stain removers of 2025

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Best Choice

1

STAR BRITE
STAR BRITE Mold & Mildew Stain Remover + Cleaner – Removes Stains on Contact - 1 GAL (085600N)
Main highlights

Key Features
Effortlessly removes mold and mildew stains with a triple-action formula; safe for marine fabrics and won`t harm stitching.

Ideal Use Cases
Perfect for cleaning awnings, fiberglass, outdoor fabrics, and more; ideal for boats, homes, and RVs.

Customer Praise
Users love its effectiveness on tough stains without the need for heavy scrubbing, highlighting its professional-strength results.
Key specs
- Cleaning Action:Stain remover, cleaner
- Volume:Gallon size
- Surface Compatibility:Acrylic fabrics, vinyl upholstery
- Usage Instructions:Spray, wait, rinse
- Product Dimensions:6 x 6 x 12 inches
9.8

Exceptional

Our Rating

9.3
Simple to use

8.7
worth the money

8.0
Aroma
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Value for Money

2

X-14

X-14 Professional Mildew Stain Remover - 1 Gallon
9.6

Exceptional

Our Rating
3

STAR BRITE
STAR BRITE Mold Stain & Mildew Stain Remover + Cleaner – Lifts Dirt & Removes Mildew Stains on Contact - 22 OZ Spray, clear (085616SS)

10% Off
Main highlights

Quick Stain Removal
Quickly removes mold and mildew stains without heavy scrubbing, saving time and effort.

Ideal for Marine Use
Perfect for cleaning boat seats, outdoor upholstery, and fabrics like Sunbrella.

Customer Praised Effectiveness
Customers rave about its ability to restore upholstery to like-new condition.
9.3

Excellent

Our Rating

9.3
Simple to use

8.4
worth the money

8.0
Aroma
4

RMR Brands
RMR-86 Instant Mold and Mildew Stain Remover Spray - Scrub Free Formula, 30 Fl Oz
Main highlights

Powerful Stain Removal
Effectively removes deep mold and mildew stains without scrubbing.

Versatile Surface Application
Ideal for use on wood, vinyl, drywall, and concrete.

Highly Praised Effectiveness
Customers praise its ability to eliminate mold quickly and easily.
Key specs
- Cleaning Action:Removes mold stains
- Volume:32 oz
- Surface Compatibility:Multiple surfaces
- Usage Instructions:Use proper ventilation
- Product Dimensions:3.5 x 3.5 x 10 inches
9.2

Excellent

Our Rating

9.3
Simple to use

9.1
deep clean

8.9
Simple to take off
5

ACTIVE
ACTIVE Mold Stain Remover Gel Cleaner Heavy Duty Stain Cleaner for Front Loader Washing Machine Seal, Bathroom Grout, Shower, Caulk - Front Load Washer Cleaning Solution - 7 Fl Oz
Main highlights

Powerful Whitening Deep Cleaner
ACTIVE Seal & Grout Stain Remover offers instant mold stain removal.

Ideal for Front Loader Washers
Perfect for cleaning washer gaskets, shower tiles, and grout.

Highly Effective on Mold Stains
Customers praise its ability to restore surfaces to like-new condition.
Key specs
- volume:9.59 ounces
- cleaning method:Apply on Seals
- scent:Gentle Odor
- specific instructions:See Product Directions
- perfume:Gentle Odor
9.0

Excellent

Our Rating
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6

STAR BRITE
STAR BRITE Mold Stain & Mildew Stain Remover – Lifts Dirt & Removes Mildew Stains on Contact - 32 OZ (085632)

31% Off
Main highlights

Stain Removal Ease
Removes mildew stains on contact without heavy scrubbing, saving time and effort.

Versatile Application
Ideal for marine, home, and RV use, safe on multiple surfaces.

Customer Praised Effectiveness
Highly effective on vinyl and upholstery, restoring surfaces to like-new condition.
8.7

Very Good

Our Rating

9.7
Simple to use

9.3
worth the money
7

STAR BRITE
STAR BRITE Outdoor Collection All Surface Mold Stain & Mildew Stain Remover Spray - Cleans & Removes Stains on Contact - 32 OZ Spray (054432)

10% Off
Main highlights

Key Features and Benefits
Effortlessly removes mold and mildew stains without scrubbing. Features buffered-bleach for gentle use on various surfaces, enhancing cleaning power.

Ideal Use Cases
Perfect for cleaning awnings, fiberglass, wood, concrete, and outdoor fabrics. Ideal for boats, homes, RVs, and commercial settings.

Customer Reviews Highlight
Most praised for its effectiveness in removing tough stains quickly without damaging surfaces or fabrics.
8.6

Very Good

Our Rating

9.5
Simple to use

9.1
Simple to take off

8.7
worth the money
8

Zep
Zep Mold Stain and Mildew Stain Remover - 32 oz (Pack of 4) ZUMILDEW32 - Professional Strength No Scrub Formula

21% Off
Main highlights

Industrial Strength Formula
Quickly dissolves mold & mildew stains without scrubbing, saving time.

Ideal for Bathroom and Pool Areas
Perfect for cleaning showers, grout, and pool decks effectively.

Highly Effective Mold Removal
Users praise its ability to whiten grout and remove mildew.
Key specs
- Usage:Not for faucets, vinyl, marble
- Effectiveness:Quickly dissolves mold & mildew
- Formulation:Industrial strength formula
- Application:Bathroom cleaner
- Surface:Toilet bowls, sinks, tile
8.4

Good

Our Rating

8.7
Simple to use

8.4
deep clean

8.0
worth the money
9

Better Boat
Stain Remover Cleaner, 22 Fl Oz, for Boat Seats, Fabric, Canvas, Carpet, and Vinyl, Removes Stains from Boats, RVs, Cars, Bathrooms, Shower Walls, Patio Furniture, and Pillows, Spray Formula
Main highlights

Effortless_Mold_And_Mildew_Removal
Our premium mildew stain remover starts working on contact, breaking up and dissolving stains without harsh scrubbing, and won't damage stitching.

Versatile_Use_Cases
Ideal for use on boats, RVs, bathroom tiles, shower walls, curtains, carpets, fiberglass, plastic, rubber, wood, vinyl siding, upholstery, and outdoor furniture.

Highly_Effective_Stain_Removal
Customers praise its ability to remove mold and mildew stains effectively, with many noting that it works quickly and requires minimal effort.
8.3

Good

Our Rating

9.5
materials Quality

9.1
Simple to use

9.1
Simple to take off
10

RMR Brands
RMR-86 Instant Mold and Mildew Stain Remover Spray - Scrub Free Formula, 2 Pack - 32 oz

23% Off
Main highlights

Instant Stain Removal
The RMR-86 spray quickly eliminates mold and mildew stains without scrubbing.

Versatile Surface Applicability
Ideal for use on decks, wood, vinyl siding, drywall, and more.

Highly Effective Performance
Customers praise its ability to completely remove stains and mold quickly.
8.2

Good

Our Rating

9.5
Simple to take off

9.3
deep clean

9.1
Simple to use

10 Best mildew stain removers of 2025

1

STAR BRITE Mold & Mildew Stain Remover + Cleaner – Removes Stains on Contact - 1 GAL (085600N)

9.3

8.7

8.0

How do we rank?

How do we rank?

Analyzing top stores

2

X-14 Professional Mildew Stain Remover - 1 Gallon

3

STAR BRITE Mold Stain & Mildew Stain Remover + Cleaner – Lifts Dirt & Removes Mildew Stains on Contact - 22 OZ Spray, clear (085616SS)

9.3

8.4

8.0

4

RMR-86 Instant Mold and Mildew Stain Remover Spray - Scrub Free Formula, 30 Fl Oz

9.3

9.1

8.9

5

ACTIVE Mold Stain Remover Gel Cleaner Heavy Duty Stain Cleaner for Front Loader Washing Machine Seal, Bathroom Grout, Shower, Caulk - Front Load Washer Cleaning Solution - 7 Fl Oz

6

STAR BRITE Mold Stain & Mildew Stain Remover – Lifts Dirt & Removes Mildew Stains on Contact - 32 OZ (085632)

9.7

9.3

7

STAR BRITE Outdoor Collection All Surface Mold Stain & Mildew Stain Remover Spray - Cleans & Removes Stains on Contact - 32 OZ Spray (054432)

9.5

9.1

8.7

8

Zep Mold Stain and Mildew Stain Remover - 32 oz (Pack of 4) ZUMILDEW32 - Professional Strength No Scrub Formula

8.7

8.4

8.0

9

Stain Remover Cleaner, 22 Fl Oz, for Boat Seats, Fabric, Canvas, Carpet, and Vinyl, Removes Stains from Boats, RVs, Cars, Bathrooms, Shower Walls, Patio Furniture, and Pillows, Spray Formula

9.5

9.1

9.1

10

RMR-86 Instant Mold and Mildew Stain Remover Spray - Scrub Free Formula, 2 Pack - 32 oz

9.5

9.3

9.1

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