Cornwall : St Lawrence River

Ontario, Canada

Observed by
Sarah Greenwood
pH (0-14) What's this? 8.4
Chlorine ppm What's this? 0.5
Hardness mg/L What's this? 20.0
Alkalinity mg/L What's this? 120.0
Air temperature °C What's this? 24.0
Water temperature °C What's this? 21.0

Wildlife

Plant
Plant What's this?

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