|P.O. Box 219 Batavia, IL 60510
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Where does drinking water come from and how is it purified? With the Clearing Water with Alum: Water Purification Demonstration—ChemTopic™ Lab Activity, introduce a commercial purification procedure for removing suspended solids from drinking water. Available as part of the Chemistry in the Environment—ChemTopic™ Labs digital collection. Click the Price link for digital collection pricing.