How many degrees is the salinity of sea melon seeds adjusted? The salinity of sea melon seeds is between 3%- 10%. The salinity of sea melon seeds can be adjusted by curing time and the concentration of curing solution, and the concentration of curing solution can be determined according to your own taste. The suitable salinity range of melon seeds is 3%- 10%. In order to achieve the appropriate salinity, 200 grams of salt can be added to 2L water to make a pickling solution, and then it takes about 3-5 hours to soak the sea melon seeds in the pickling solution. Melon seed is a kind of shellfish seafood, which refers to bottle-shaped shellfish seaweed attached to nearby shellfish and growing in the depths of the ocean. It is a common ingredient in seafood.