Overview: Testing water quality isn’t just for scientists in labs—it can be done by everyday people with surprisingly simple methods. One reader, Ben, pointed out that looking at the types of macroinvertebrates—small but visible aquatic creatures—can reveal whether a body of water is clean or polluted. This article explains how the process works, why macroinvertebrates … Continue reading How to Test Water Quality in Lakes and Ponds: What Macroinvertebrates Can Tell Us