A heavy-duty dishwash detergent for use in cabinet dishwashers. Gleem 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.