could this be used on a canvas boat cover?

Try it on a small section first to see what happens. I got some of it on my shorts and it bleached them. It is powerful stuff.

Is this safe to use on colored vinyl

I used it on white and blue vinyl and it worked very well.

Is this only a whitener or does it also disinfect and get rid of the actual mildew?

This is the best product I have found to get rid of mildew on my boat seats and other area. I would suggest if it kills mildew it would also disinfect as well.

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Marine 31 Mildew Stain Remover Gel for Boat Vinyl, Showers & Tile, 20 oz

Product ID: 141627828

Details

Brand
Marine 31
Item Form
Gel
Material Feature
Unscented
Scent
Unscented
Specific Uses For Product
Bathtub Deck

🧴20oz thick gel formula

⏱️works in 1-3 minutes

🛥️safe on marine & vinyl surfaces

27101 Ft

Duties & taxes included

In stock

Sold byAmazon HungaryDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hungary.

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Description

🛥️ Clean like a pro, protect like a captain!

TIME SMART FORMULA - Thick gel clings and works quickly, saving your weekend time.
MARINE GRADE SAFETY - Powerful yet gentle—no discoloration or damage to vinyl or fabrics.
EFFORTLESS STAIN ERASING - Spray, wait, wipe—mildew vanishes fast without scrubbing stress.
VERSATILE SURFACE SAVIOR - From boat seats to bathroom tiles, one gel cleans them all.
CONCENTRATED CLEANING POWER - Small bottle, mighty results—maximize every drop.

Marine 31 Mildew Stain Remover Gel is a concentrated, thick 20oz gel designed for fast, effective mildew and stain removal on marine surfaces, vinyl, tile, and more. Its quick 1-3 minute action safely cleans without discoloring or damaging delicate materials, making it the go-to solution for boat owners and home pros alike.

Specifications

ASIN	B07V47SPF8
Best Sellers Rank	#65,276 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #86 in Boat Cleaners #169 in Boat Hardware
Brand Name	Marine 31
Customer Reviews	4.6 4.6 out of 5 stars (618)
Included Components	(1) Marine 31 Mildew Stain Remover Gel 20 oz
Item Form	Gel
Item Highlight	Mildew remover gel works on vinyl seat cushions, rubber fenders, fiberglass, gel coat, boat tops, tile, grout and showers
Item Type Name	Mildew Stain Remover Gel
Item Volume	20 fluid ounces
Manufacturer	Marine 31
Material Features	Unscented
Model Number	M31-375
Number of Items	1
Part Number	M31-375
Scent	Unscented
Size	20 Fl Oz (Pack of 1)
Special Features	Concentrated
Specific Uses For Product	Bathtub, Deck, Shower, Sink, Tile
Surface Recommendation	Fiberglass
UPC	082045630480
Unit Count	20 Fluid Ounces
Warranty Description	Standard Marine 31 Warranty

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

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27101 Ft

Duties & taxes included

In stock

Sold byAmazon HungaryDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hungary.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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