Duckweed is a thick, green weed that grows on tops of water. It appears similar to certain forms of algae but is much thicker and denser. Once duckweed becomes a problem in a body of water it can be ...

What plants would work? I already have some Duckweed. A) Neale says: By my reckoning, your tank contains around 90 l. While that’s a good amount of water for a starter community tank, the tricky bit ...