Best Mildew Stain Remover For Boats In June 2025

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Looking for the Best Mildew Stain Remover For Boats that can last long and perform well? Read our review and buying guide on Best Mildew Stain Remover For Boats below.

To help you in your search, we have completed this list of the Best Mildew Stain Remover For Boats.

Top Rated Best Mildew Stain Remover For Boats Of 2025

Rank	Product Name	Score
1	Star brite Mold Stain & Mildew Stain Remover + Cleaner – Lifts Dirt Buy Now	9.7 Buy Now
2	Marine 31 Mildew Remover (2 Pack of 20oz) Buy Now	9.5 Buy Now
3	3M 09065 Mildew Block (3004.7825) Buy Now	9.1 Buy Now
4	Star brite Mildew Stain Blocker for Boats with Nano Tech Barrier Buy Now	8.8 Buy Now
5	Marine 31 Mildew Remover Gel Combo Buy Now	8.6 Buy Now
6	Home Armor FG502 Instant Mold and Mildew Stain Remover, Trigger Spray 32-Ounce Buy Now	8.3 Buy Now
7	2 X 3M Marine Mildew Stain Remover (16.9 fl-Ounce) Buy Now	8.1 Buy Now
8	McKee's 37 Marine & RV MKRV-100101 Mildew Remover Refill Kit (7-Piece) Buy Now	7.8 Buy Now

1. Star brite Mold Stain & Mildew Stain Remover + Cleaner – Lifts Dirt

• Stain remover + cleaner: high-alkaline, triple-action formula contains, buffered-bleach to remove mold stains & mildew stains, chelating agents to lift ground-in dirt, surfactants to cut grease & grime
• More effective cleaning power than unbuffered "bleach-water" based products, or diluted supermarket brands
• Quickly removes stains caused by mold & mildew on contact without heavy scrubbing, easy to use - spray, wait until the stain disappears, then rinse
• Works on, awnings, fiberglass, wood, concrete, drywall, siding, tile & grout, gutters, roofs, vinyl upholstery, most outdoor acrylic fabrics, and more *(test fabric for colorfastness before use)
• Professional-strength, concentrated formula for boats, homes, rvs, and commercial use
• Buffered-bleach technology is better suited for marine/outdoor upholstery and outdoor acrylic fabrics including sunbrella, won't harm stitching or threads

2. Marine 31 Mildew Remover (2 Pack of 20oz)

• Remove stubborn mildew stains fast!
• Marine 31 mildew remover works wonders for household cleaning as well! use this professional strength formula to clean tile, grout, showers, bathtubs, counters, and sinks.

3. 3M 09065 Mildew Block (3004.7825)

• The final step to mildew-free maintenance recommended for use after applying 3m mildew stain remover for long-lasting protection
• Safe and clean non-staining, non-yellowing formula creates an invisible barrier that keeps mildew from growing even on damp surfaces
• Ideal for boats and rvs works above the waterline on vinyl, cloth, canvas and more
• Sprays on right from the bottle add a quick, tough layer of protection and get back out on the water or the road
• Professional grade formula scientifically formulated to prevent the growth of mildew

4. Star brite Mildew Stain Blocker for Boats with Nano Tech Barrier

• Lasts up to 3 months (interior areas)
• Non-toxic formula, safe for use around people & pets
• For use on fiberglass, vinyl, plastic, rubber, fabric and painted surfaces
• Easy to use, just spray on area to be treated
• Nano-tech barrier prevents mold stains & mildew stains from forming

5. Marine 31 Mildew Remover Gel Combo

• Clings as it cleans!
• Marine 31 mildew remover gel works wonders for household cleaning as well! use this professional strength formula to clean tile, grout, showers, bathtubs, counters, and sinks.
• Marine 31 mildew remover gel removes stubborn mildew stains without discoloring, dulling, or drying out vinyl surfaces.
• Marine 31 mildew remover gel wont be pulled off the surface by gravity as quickly, giving it more surface time to do its business!

6. Home Armor FG502 Instant Mold and Mildew Stain Remover, Trigger Spray 32-Ounce

• Is twice as strong as the leading product
• Home armor, 32 oz., instant mildew stain remover, twice as strong as the leading brand, bleach based formula, cleans mold & mildew stains
• Ideal for use on tile, grout, tubs, toilets, fiberglass, shower doors, vinyl curtains, counters, and sinks
• Removes mold and mildew stains and odors caused by mold cleans with no scrubbing cleans with the power of bleach
• Adds extra shine to your product

7. 2 X 3M Marine Mildew Stain Remover (16.9 fl-Ounce)

• Makes it easy to have a mildew free boat
• Use on vinyl
• Does not need to be scrubbed
• Removes dark mildew stains and soil

8. McKee's 37 Marine & RV MKRV-100101 Mildew Remover Refill Kit (7-Piece)

• Includes scrub brush
• Removes mildew
• Refill kit - 150 oz.