Bright Teck has a very powerful penetrating action. Use immediately after Sun Teck. It restores teak decks to their original colour. Harmless for caulking, fibreglass and paints. Must be diluted before use : 1 litre of product for 3 to 5 litres of water. Apply the dilution on the teak, wait 15 minutes and rinse. Do not rub the teak. 1 litre = 5 to 7 m2.