Enough Materials for Five Groups Working Simultaneously Provide your students with hands-on reinforcement of key concepts in water quality and water treatment with this test kit. Includes a teacher’s manual with lesson plans, background information, and reproducible student procedure and data sheets. Contains enough materials for a total of 25 tests.
The kit will measure 0, 5, 20, and 40 ppm for nitrate and 0, 1, 2, and 4 ppm for phosphate.
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