2-PACK LIMESTONE PASTE RED OR WHITE 3.5 OZ. x 2 2 JARS PER ORDER of 1 COLOR Product of Thailand Lime Stone or Slaked lime or Limestone solution is traditionally used in quite a few Thai recipes. It comes in Red or White. was part of the betel chewing culture in the olden days and, therefore, a household ingredient. The lime stone paste is mixed with water and left undisturbed to allow the lime stone particles to settle at the bottom thereby creating a clear separation between the limestone itself and the translucent solution. Only the clear water is used. It’s the alkalinity of the clear limestone solution that Thai cooks have used to create enduring crispness in fried batter or pastry/dough as well as firm, crunchy texture in pickled or candied fruits or vegetables.