Ceratophyllum demersum | Fast-growing floating & background plant

Ceratophyllum demersum , also known as hornwort , is an extremely robust and fast-growing aquarium plant that does not require roots. It can float freely in the water or be loosely fixed in the substrate and is suitable both as a floating plant and for the background of larger aquariums.

Due to its rapid growth, Ceratophyllum demersum is an excellent nutrient consumer , helping to reduce algae growth and stabilize water quality. Its finely feathered, deep green shoots offer ideal hiding places for fry and shrimp. Because it is undemanding, it is particularly suitable for beginners , breeding tanks, and newly set up aquariums.

🌿 Plant profile:

🔸 Scientific name: Ceratophyllum demersum
🔸 Family: Ceratophyllaceae
🔸 Origin: widespread worldwide
🔸 Delivery form: Bunched plant
🔸 Light requirements: low to medium
🔸 Temperature: 15–28 °C
🔸 Growth: very fast
🔸 Location: Floating plant / Background
🔸 Height: up to approx. 100 cm
🔸 pH value: 6.0–8.0
🔸 Water hardness: soft – hard
🔸 CO₂ requirement: not necessary
🔸 Propagation: Division of shoots

💡 Tip:

Regular thinning prevents excessive shading. Also ideal as a temporary starter plant in newly set up aquariums.

👉 Conclusion:

Ceratophyllum demersum is an extremely easy-care, fast-growing aquarium plant – perfect for water stabilization, algae prevention and for natural aquariums.