In this lab, students will do water testing and explore how an aquarium system cycles through the nitrogen cycle. I've also added a bit about the phosphorus cycle and pH in it.
All you need is samples from you Aquatic Ecosystem model which you've had students pull daily over a 1 month period of time. Using a standard Master test kit for aquariums - students do super safe water tests.
**cost saver - each of those Master kits usually last me through 3 years of classes. Generally, your school will buy those kits**