Nautical One Xtreme Mildew Remover is a fast-acting cleaner that dissolves stubborn mold and mildew stains on hard marine surfaces—vinyl seats, gelcoat, fiberglass, rubber bumpers, and vinyl canopies.

Use when black staining will not wipe off with soap alone. Available in multiple sizes for single-boat and shop use. Not for soft textiles unless the label says otherwise.

Why detailers keep it on the cart

• Targets stubborn mold and mildew stains on marine hard surfaces
• Works on vinyl, gelcoat, fiberglass, rubber, and vinyl tops
• Fast cleaner before you re-protect with Mildew Shield
• SKU: N1-150, N1-151

How to use

1. Spot-test; work outdoors or with good ventilation on a cool surface
2. Apply to stained areas; agitate with a soft brush if needed; do not let dry
3. Rinse thoroughly; wipe dry; follow with Mildew Shield on clean vinyl if desired

Note: Strong cleaner—wear gloves/eye protection, keep off fabrics and sensitive finishes not listed on the label, and neutralize/rinse completely before protection products.

• FREE Shipping on all domestic U.S. orders over $200
• Orders under $200 ship for a flat rate of just $7
• Same-Day Shipping on orders placed before 2:00 PM ET, Monday–Friday (business days)
• Most items ship UPS Ground or USPS Priority Mail. Hazardous materials (flammable, corrosive or oxidizer products) ship UPS Ground only and are not eligible for USPS, expedited, overnight or air shipping.
• Discounted UPS overnight rates available on non-hazardous items
• Questions? Call us at 800-248-6130