A heavy-duty dishwash detergent for use in cabinet dishwashers. OSMOS Tannin Remover Dishwasher Detergent is a highly alkaline auto-dishwashing detergent specially formulated to provide excellent soil removal from crockery in both hard and soft water conditions. Its oxidising ingredients provide effective fast removal of tannin stains from crockery and rapidly removes fats, starches and proteins. Wherever tannin stains are a problem, OSMOS Tannin Remover Dishwasher Detergent may be used to rapidly remove even built-up stains without the need for extra products.