Alkaline based cleaner especially developped to clean teak deacks. Remove slimy marks, oil stains whish are harmfull to the natural colour of teak. Cleans the teak, preparing it for BRIGHT TECK which must be applied subsequently. Does not affect the caulking. Very concentrated product which must be diluted before use . Biodegradable. Coverage for 1 litre : 5 to 7 m2.