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Product Details

3M Marine mildew block is a non toxics spray to be used indoor and outdoors on marine surfaces where mildew growth is a concern. After cleaning any mildew from the surfaces to be treated, spraying 3M Mildew Block creates an invisible barrier that prevents mold and mildew growth.

Specifically designed for harsh marine environments. Helps keep surfaces looking cleaner and newer longer, reducing amount of scrubbing and harsh chemicals needed to remove mildew. Ideal for above waterline applications. Works on variety of cleaned surfaces, such as carpeting, deck furniture, rub rails, sail fabric, seat cushions, showers, etc. 3M Marine also offers a stain remover to eliminate mildew stains before applying the block spray.

Info & Guides
Mildew Block in 16.9 fluid ounce spray bottle.

Reviews for 3M Marine Mildew Block Spray

3 of 3 Reviews

November 3, 2011

Works
By DPH from Boston

I use this on difficult to clean areas prone to mold and mildew such as lockers and compartments where air circulation is poor. I found it to be very effective. It is invisible when dry leaving no apparent film layer.

Bottom Line Yes, I would recommend to a friend

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November 3, 2009

Good Stuff
By Lake Lover from Lake Martin, Al

I've used this product for several years with good results. It helps prevent the growth of mildew on boat upholstery especially during lay up.

Bottom Line Yes, I would recommend to a friend

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September 8, 2009

Bad Container
By Dusty from Milwaukee, WI

I dropper the container from less then two feet, the container split. Saved some but it seemed greasy.

Bottom Line No, I would not recommend to a friend

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