Uploaded November 2025 | Updated September 2026, 2 weeks ago

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Free written instructions: sciencebuddies.org/science-fair-projects/project-ideas/EnvSci_p079/environmental-science/Watershed-Nutrient-Pollution?ytid=t_xDO7HWxgk&ytsrc=description

Full video tutorial: youtu.be/oWlPOl1oYMY

Science Buddies also hosts a library of instructions for over 1,500 other hands-on science projects, lesson plans, and fun activities for K-12 parents, students, and teachers! Visit us at sciencebuddies.org/?ytid=t_xDO7HWxgk&ytsrc=description to learn more.

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