PurTest Comprehensive School Kit - Water Test Kit
Identify how water becomes acid rain. Includes the same bacteria test used by the Centers for Disease Control and Prevention. Tests for lead in water in 10 minutes; detects lead down to the EPA-safe standard of 15 ppb (parts per billion). Complete instructions are included on how to set up four unique experiments. Students learn how water acquires contaminants and how they can be removed. Test equipment identifies nitrates, hardness/ pH/ alkalinity, chlorine, iron, and copper in the water samples...
