Seaweed factory or industry offer wide range of products globally. The uses of seaweeds have been known since long ago even centuries for not only food source, but also for medicines, cosmetics, and agricultural fertilizer. Nowadays, the benefits of using seaweeds products can contribute to large number of total annual value in aquaculture industry. Before processed, the factory will take the seaweed either from natural or wild seaweed and farmed or cultivated crops. Meanwhile, the farming of seaweed has been rapidly growing globally due to the high demand that exceed the supply of seaweed in natural sources such as the ocean. Seaweed factory products and classifications Based on pigmentation, seaweed can be classified into three different types which are red, green, and red seaweeds. The brown type is mainly used as food source and hydrocolloid extract which is alginate by the seaweed factory . Meanwhile, just like brown seaweed, the red type used as food as well as two hydr...