Plants remove nitrites and nitrates so of course they are a great resource for making your tank more natural in both filtration and visually
I refuse to not include plants, especially with a Geophagus that likes to move everything around, there are always ways to get plenty of plants in there! Unless it’s sevrums or other such plant eaters, in which case a refugium is golden
The “way to go” for what? You’re not going to clean up the world with aquariums.
No no, you don’t understand we just need to put all the cities in aquariums make it like a bikini bottom type situation and then we can clean pollutants
The “way to go” for having clean aquariums?
Since this is posted in a community called “Aquariums and Fish Keeping”, that would be my first guess.
For personal aquariums. A lot of these systems are fractals, big or small. Grasses should help keep aquariums cleaner, too.