Pearl Swirl Rheoscopic Concentrate at Steve Spangler Science. New Concentrate Formula - Makes over 7 liters (2 gallons) at a fraction of the cost!
Pearl Swirl™ Fluid is the secret ingredient that gives some shampoos that pearly-white look or creates wave currents in some shake-up water toys. In scientific terms, Pearl Swirl is a rheoscopic fluid, but it's a concentrate that makes over 7 liters (2 gallons)! When added to water (or other liquids), it allows you to see the movement or currents in the liquid. This pearly-white, water-based suspension is safe and non-toxic and excellent for teaching units on ocean currents, aerodynamics, turbulence, convection, and many other motion effects that are often difficult for students to visualize. Rheoscopic Fluid at Educational Innovations. Captivate your students with this unique fluid.
Its suspended pearly crystals show current movement continually, without settling out. This non-toxic, pearly white substance is a water-based suspension.