Crystalflash is an agent optimized to accelerate the crystallization of tartaric acid salts, in particular potassium bitartrate and neutral calcium tartrate, in wines during refrigeration. It is made up of a mixed composition of selected active principles, able to induce in the cold wine (temperature between –3 and –5°C), the instantaneous formation of a very thick cloud of rising micro-crystals, facilitating the first and more delicate stage of the nucleation process.