| Ages 8 up
This is a great introduction to testing saline and brackish water with safe and simple TesTabs.
Tests include:
pH, 10; Temperature; Dissolved oxygen, 10; Biochemical oxygen demand, 10; Turbidity, 10; Nitrate, 10; Phosphate, 10; Chloride, 10; Coliform Bacteria, 2
Includes: curriculum materials, color chart, and test equipment for 10 water samples (2 for Coliform)
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