No need. Sago is a starch compound and cannot be washed with water, because sago will dissolve in the washing process. If you want to wash sago, you should cook sago before washing it.

Simi doesn't need washing. Sago is a starch compound and cannot be washed with water, because sago will dissolve in the washing process. If you want to wash sago, you should cook sago before washing it.