Heavy-duty powder cleaner for fiberglass boats; ideal to clean teak and to turn it white. Non-scratching formula removes dirt and stubborn stains, yellowing, waterline stains, black streaks, leaving any surface clean and shiny. Non corrosive, it doesn't discolour and doesn't stain; removes rust stains from any surface. Polishes and protects boat handrails, boat stanchions and any kind of marine metals. DIRECTIONS FOR USE: Dissolve 150/200 ml of “Unico” in 5 litres of water, apply the obtained compound with a sponge or a brush and wait around 2 to 5 minutes; then rub with a brush or sponge, and nally rinse with water. On horizontal surfaces previously wet with water, you could use "Unico" undiluted, applying the product with a brush or a sponge. Let the product act around 2 to 5 minutes, then rub with brush or sponge, and nally rinse with water. Excellent to clean and whiten the teak.