Agar, Fine Ground U.S.P., Gelidium 700AM, gelling agaent for making agar plates. Does not contain nutrients.
Agar is a galactose polymer (or agarose) obtained from the cell walls of some species of red algae or seaweed (Sphaerococcus euchema) and species of Gelidium. It is also known as Kanten, Agar-Agar, or Agal-Agal (Ceylon Agar).
Added at a rate of 1% to 2% can convert any water based liquid to gel.