Hydrology
Measurements
Instrument
Photos
Transparency Deep Water Sites Only Secchi disk, 5 m rope
Surface Water Turbidity tube
Water Temperature Organic liquid filled thermometer
Water pH pH indicator paper
pH pen, two buffer (7 and 4 or 10)
pH meter, three pH buffers (7, 4, and 10)
Electrical Conductivity – Fresh Water Sites Only Total dissolved solids (conductivity) tester, Calibration solution
Alkalinity Water alkalinity kit