Cleaning agent product form comprising a) a detergent formulation A which is liquid at 20°C and comprises i) a dye selected from the class of triphenylmethanes, ii) 4 to 40 wt.% citrates iii) amino carboxylate builder in an amount of less than 4.5% by weight, preferably less than 2.5% by weight, more preferably less than 0.1% by weight; the agent having a pH of from 10 to 13, preferably from 10.5 to 12.5, in particular from 11 to 12, measured with a hydrogen pH electrode at 20°C, and additionally at least one polymer containing sulfonic acid groups, preferably in an amount of from 1 to 20% by weight, preferably from 2 to 15% by weight, in particular from 4 to 10% by weight, b) a detergent formulation B which is liquid at 20°C and different from detergent formulation A, comprising b1) at least 5% by weight of at least one detergent-active enzyme preparation and/or b2) at least one surfactant, preferably at least one nonionic surfactant; c) a detergent formulation C which is liquid at 20°C, containing c1) an acidifying agent, c2) a glass corrosion inhibitor, c3) optionally a nonionic surfactant, c4) optionally a hydrotrope, and c5) optionally less than 1% by weight, preferably less than 0.5% by weight, in particular less than 0.1% by weight of enzyme preparation, and d) a packaging means in which the detergent formulations A, B and C are present separately from one another. a) a detergent formulation A which is liquid at 20°C and comprises i) a dye selected from the class of triphenylmethanes, ii) 4 to 40 wt.% citrates iii) amino carboxylate builder in an amount of less than 4.5% by weight, preferably less than 2.5% by weight, more preferably less than 0.1% by weight; the agent having a pH of from 10 to 13, preferably from 10.5 to 12.5, in particular from 11 to 12, measured with a hydrogen pH electrode at 20°C, and additionally at least one polymer containing sulfonic acid groups, preferably in an amount of from 1 to 20% by weight, preferably from 2 to 15% by weight, in particular from 4 to 10% by weight, i) a dye selected from the class of triphenylmethanes, ii) 4 to 40 wt.% citrates iii) amino carboxylate builder in an amount of less than 4.5% by weight, preferably less than 2.5% by weight, more preferably less than 0.1% by weight; b) a detergent formulation B which is liquid at 20°C and different from detergent formulation A, comprising b1) at least 5% by weight of at least one detergent-active enzyme preparation and/or b2) at least one surfactant, preferably at least one nonionic surfactant; b1) at least 5% by weight of at least one detergent-active enzyme preparation and/or b2) at least one surfactant, preferably at least one nonionic surfactant; c) a detergent formulation C which is liquid at 20°C, containing c1) an acidifying agent, c2) a glass corrosion inhibitor, c3) optionally a nonionic surfactant, c4) optionally a hydrotrope, and c5) optionally less than 1% by weight, preferably less than 0.5% by weight, in particular less than 0.1% by weight of enzyme preparation, and c1) an acidifying agent, c2) a glass corrosion inhibitor, c3) optionally a nonionic surfactant, c4) optionally a hydrotrope, and c5) optionally less than 1% by weight, preferably less than 0.5% by weight, in particular less than 0.1% by weight of enzyme preparation, and d) a packaging means in which the detergent formulations A, B and C are present separately from one another. <EOS>