Originally Posted by thubby vegetable oil and toner works. it doesnt stay suspended for very long, but enough to do a demonstration. That one is not a true ferrofluid, it's actually an electrorheological fluid.
The Iron Avatarist Crypt of Fame - Exorcising photobucket from the historic archives of the forum. Go and went by many names Ast, Avgvst, Pink-Haired August, araveugnitsuga and nowadays AsteriskAmp.