The invention relates to a phosphate- and bleach-free automatic dishwashing agent containing: a) 5 to 60 wt % citrate, b) (hydrogen) carbonate, c) 2 to 40 wt % ethylenediamine disuccinic acid, wherein the weight ratio of the components b) and c) is between 1:5 and 10:1, and wherein said automatic dishwashing agent is characterized by good cleaning performance, particularly improved cleaning of tea.