Cornwall : St Lawrence River

Ontario, Canada

Observed by
James Darling
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? 120.0
Air temperature °C What's this? 12.0
Water temperature °C What's this? 16.0

Latest photos


Notes

Cloudy. Yesterday mostly sunny.