2. Under normal circumstances, dried kelp needs to be soaked in warm water for 2-3 hours before it can be eaten. If the soaking time of dried kelp is too short, the texture of kelp will become hard and the taste will become worse.

3, and kelp silk should not be soaked for a long time before eating. Because the soaking time is too long, the nutrients in kelp, such as water-soluble vitamins and inorganic salts, will also be dissolved in water, and the nutritional value will be reduced. If kelp is as tough as boiled after soaking in water, it means it has gone bad and can't be eaten any more.