Water-soluble automatic dishwashing detergent pouch

A water-soluble automatic dishwashing detergent pouch, wherein the pouch comprises an automatic dishwashing detergent composition that is enclosed by a water-soluble film, wherein the automatic dishwashing detergent composition comprises:

• (a) from about 1.0 g to about 20 g of dipicolinic acid and/or salt thereof;
• and
• (b) from about 0.1 g to about 5.0 g of polyepoxy succinic acid polymer, wherein the polyepoxy succinic acid polymer has the structure:
• wherein:
• R1 and R2 are independently selected from H, C1-C6 alkyl, —OH, —COOM,
• M is selected from H, Na, K, NH4, or substituted ammonium,
• Y is selected from —OH, —OR′, —NH2, —NHR′, —NR′2, in which R′ is selected from C1-C6 alkyl, and
• n is from about 2 to about 20.