I've let my floating biofilter island go wild to see how it would fare if you really could have a self-sustaining biofilter in the wild.
Affiliate links:
Super informative book on wastewater treatment the natural way https://amzn.to/3g9wW5E
Shop my Amazon store (for which I get a bit of compensation if you purchase them) :
https://www.amazon.com/shop/diymarta
