Your Safer Source for Science

Since 1977

Address P.O. Box 219 Batavia, IL 60510
Phone 800-452-1261
Fax 866-452-1436

Add water from a large beaker into another beaker and from that beaker to the next! Your students will observe a variety of color changes until at the very end the large beaker contains “lemonade.”


  • Oxidation & Reduction
  • Complex Ions
  • Metal Reactivity