A rainy day means biological Filtration

Yesterday was a rainy day, which means a great day to talk about biological filtration and the importance of clean water within a self sustaining ecosystem. Check out the article link below if you're interested: https://adedgetech.com/biological-filtration-future-drinking-water-treatment As well as this video explaining a how to activity for cleaning water in class or for hobby: https://study.com/academy/lesson/water-filtration-science-project.html# And if you're ready, here's an aquaponics video: (https://youtu.be/VFiPRE-x-UM)