[cjloong]

So that the pot will be able to keep water. These are aquatic plant in emmerse form (not full aquatic plant). Meaning, roots in water but partial leaf above water.

Submerge means full plant under water. (looks of the same plant can very different)

Oh, if you meant the ugly piping on top, that's because I cut the pipe too short and ran out of connectors. It should just be a hole skimming water from the top directing it to the drainage hole.