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Lessons
6 lessons • 1h 4m
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Overview
2m 58s
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Lec 1 - turbidity and colour
14m 43s
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Lec 2- taste odour and TDS
13m 23s
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Lec 3 -pH
11m 35s
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Lec4 - hardness
15m 00s
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Lec5 - chloride and nitrogen content
6m 46s