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SL314: Water Quality Notes: Water Clarity (Turbidity, Suspended Solids, and Color)

Figure 5. Apparatus used for measuring water color. The tube on the left is filled with distilled water while the tube on the right is filled with the sample. A color wheel is located at the top of the tube on the left-hand side. This wheel is turned until the color of both tubes match. (Photo copied with permission from: Orbeco-Hellige, Inc. (http://www.orbeco-hellige.com).