STEM Investigations: Design a Water Filter, Students will learn about the processes performed at water treatment facilities, and then engineer their own small scale filtration plant. Kit contains enough materials for 15 groups of students
Free and Total Chlorine Test Kit, CHEMets* Visual Kit, Method: DPD (free and total), Includes: Refill, Low and High Range Comparators, Activator Solution, 25 mL sample cup, Range: 0-1 and 0-5 ppm, MDL: 0.05 ppm,
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