Hornwort

Ceratophyllum demersum

Also known as: Coontail

Low Light Background Fast Growth Beginner

Fast growing nutrient absorber. Excellent for cycling tanks and fry hiding.

Water Parameters

Temperature

59–86°F

pH Range

6–7.5

Water Type

Freshwater

Light

Low

Growth Rate

Fast

Max Height

24 inches

Placement

Background

Care Level

Beginner

Substrate

None required - floats freely or can be anchored

CO₂

Not required

Propagation

Cuttings

Origin

Worldwide (cosmopolitan)

Notes

Fast growing nutrient absorber. Excellent for cycling tanks and fry hiding.