Secchi disks

This is part two of a two-part series. Measuring tools for turbidity include turbidity meters, Secchi disks, and turbidity tubes. Secchi disks have a long tradition in measuring water transparency. They are mounted on a…

This is part one of a two-part series on turbidity and tools to measure it, including turbidity meters. A glass of drinking water is expected to be clear. That’s because US government regulations determine the…