Magnetic Liquid Ferrofluid EFH1 - 1000mL (1L)Uses for our Magnetic Liquid Ferrofluid: Ferrofluid is a ferrous nano particle liquid that reacts in the vicinity of a magnetic field. Many of us will first remember seeing this magnetic liquid as part of a science experiment at school. Ferrofluid is used as an excellent demonstration tool for magnetic experiments. The particles respond to the magnetic field to create a wondrous display of amazing shapes and once the magnetic field is removed the