SUN TECK is an alkaline-based cleaner especially developed to clean teak decks. SUN TECK has been designed to remove slimy marks, oil stains whish are harmful to the natural colour of teak. SUN TECK cleans the teak, preparing it for BRIGHT TECK, which must be applied subsequently. SUN TECK does not affect the caulking when the advise of usage are respected. INSTRUCTIONS OF USE : - Dilute 1 litre of product for 3 to 5 litres of water, depending on the level of staining. - First of all, wet the teak and the hull. - It is advised to do not work to direct sunlight in order to avoid black stains on gelcoat and paint. - Apply the solution evenly with a soft brush. - Leave for 10 to 15 minutes. - Do not rub teak. - Rinse abundantly with a water jet. - BRIGHT TECK, which is brightener for teak, must be applied subsequently. Coverage for 1 litre of product : 5 to 7 m2.