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  • Writer's pictureChicago Environmental Educators CEE

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: As well as this video explaining a how to activity for cleaning water in class or for hobby: And if you're ready, here's an aquaponics video: (

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