Your Safer Source for Science

Since 1977

Address P.O. Box 219 Batavia, IL 60510
Phone 800-452-1261
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Email flinn@flinnsci.com
firewatch

Take seven different dry chemical mixtures and add each to a separate beaker. Pour a clear liquid into each beaker and, in less than a minute, a rainbow of colors appears.

Concepts

  • Clock Reactions
  • pH
  • Indicators
  • Buffers