Otocinclus: Oto Catfish Care Guide ...
Otocinclus: Oto Catfish Care Guide & Species Profile

Does Java fern reduce nitrates?

Yes, Java fern reduces nitrates in the water. With its large, green leaves, Java fern is one of the most efficient nitrate-absorbing aquatic plants.

Aside from nitrates, Java fern can also significantly reduce carbon dioxide, nitrites, and ammonia levels in the water. This makes it perfect for maintaining the water quality in your tank.

Moreover, Java fern is very hardy and low maintenance, making it a popular plant among fish keepers of all experience levels. Just ensure its rhizomes don’t get buried in the substrate, as this may hinder its nitrate-absorbing abilities.

Instead of planting it in soil, attach it to a rough surface, such as driftwood and rocks, or allow it to float freely in the water.