1. Cleaning fresh kelp requires a small brush, as shown in the figure.
2. Next, soak the fresh kelp in hot water for half an hour, as shown in the figure below.
3. Wash off the stains on the surface of fresh kelp with a small brush, as shown in the figure below.
4. Then pour a proper amount of salt into the basin and wash the kelp with salt water, as shown below.
5. Finally, clean the fresh kelp, as shown in the figure below.