Cornwall : St Lawrence River

Ontario, Canada

Observed by
Reid MacDonell
pH (0-14) What's this? 8.4
Chlorine ppm What's this? 0.5
Hardness mg/L What's this? 200.0
Alkalinity mg/L What's this? 180.0
Air temperature °C What's this? 21.0
Water temperature °C What's this? 20.0

Wildlife

Plant
Plant What's this?

Latest photos