:yct7 Agar? It is also known as vegetable gel, usually sea vegetables extracted from the substance of the domestic supermarket is not quite there usually can be purchased through the Internet In addition, if not a special requirement, similar to fish gelatin powder/slice (or gellan gum) can be used instead of the production of milk jelly, jelly or certain soups. As agar is more difficult to refine than fish glue, so the price of fish glue should be lower than agar, the choice is also wider, easy to use in theory, fish glue belongs to animal protein, but also more nutritious.