303® Multi-Surface Cleaner 32 oz. (Quart)
303® Multi-Surface Cleaner 32 oz. (Quart)
303® Multi-Surface Cleaner 32 oz. (Quart)
303® Multi-Surface Cleaner 32 oz. (Quart)

303® Multi-Surface Cleaner 32 oz. (Quart)

SKU: 30553
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Product Details

Thoroughly clean your boat from bow to stern with the only cleaner you’ll ever need. Safe for all types of upholstery and vinyl, the marine version of 303® Multi-Surface delivers robust cleaning agents designed to counteract the damaging conditions of sea and sand. Watch soaked-in stains disappear within minutes and discolored surfaces come back to life. This industrial strength concentrate degreases engines, and cleans oil tank holds, metals, paints, rubber, carpeting, vinyl and upholstery fabric. When coupled with 303® Marine Fabric Guard, your covers will stay clean and protected for months. A great value, 303 Concentrated Multi-Surface Cleaner can be diluted up to 30:1 (water:303) to get thousands of uses out of just one 32 oz. bottle. Made in the USA.

Usage Directions: Spray on spot until wet. Agitate with a medium-soft brush or wet cloth. Wipe up stain and excess cleaner with a damp cloth, rinsing out cloth in clean water as necessary. Let fabric dry. For heavier soils, increase agitation and soak time. Repeat if necessary. For mildew and special cleaning problems on fabrics, contact the fabric manufacturer.

303 Multi-Surface Cleaner is safe to use on a variety of surfaces, such as:

Fabrics: 303 Multi-Surface Cleaner works on all water-safe fabrics and designed to clean even the most delicate fabrics. Highly recommended for Sunbrella®.

Stainless Steel and Chrome: After a family outing, clean up food and drink marks from your boat's interior and galley.

Vinyl, Rubber and Plastics: Use on your boat or spa cover to remove dirt or water marks, perfect before sealing with 303 Aerospace Protectant.

Metal, Aluminum, and Wicker: Take extra care of your furniture. 303 Multi-Surface Cleaner unique formula will rinse residue free.

To Use on Outdoor Fabrics: Rinse first with water. Use at least ½ cup of 303 Multi-Surface Cleaner in 1 gallon of warm water. Spray or brush on fabric and allow to soak in. Agitate, and rinse thoroughly. Repeat if necessary.

To Remove Mildew from Sunbrella Fabrics: Add ½ cup of bleach to the fabric cleaner solution. Soak for around 20 minutes, agitate and rinse.


  • Removes soaked in, heavy stains on marine vinyl and fabric.
  • Brings surfaces back to life with its ultimate cleaning power.
  • Does not leave behind any greasy residue.
  • Brightens and rejuvenates marine surfaces safely.