Mosquito Fern

Azolla caroliniana

Difficulty (1-5): 2/5

Description

Tiny floating fern that forms a dense green-to-red mat and fixes its own nitrogen. Multiplies fast in bright light and needs regular thinning to avoid shading everything beneath it.

Water test requirements

  • pH: 5 – 7.5
  • Temperature: 15 – 30 °C
  • Carbonate Hardness (KH): 1 – 15 °dKH

Photos

Mosquito Fern