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
