CERATOPHYLLUM DEMERSUM

Ceratophyllum demersum, commonly known as Hornwort, is a popular aquatic plant prized for its fast growth and versatility. Native to various regions around the world, Hornwort is a floating or rooted plant with long, feathery leaves that create a lush and dense underwater environment. This plant is a favorite among aquarists due to its ability to absorb excess nutrients, helping to control algae growth and improve water quality.

Plant Profile:

• Scientific Name: Ceratophyllum demersum
• Common Name: Hornwort
• Origin: Cosmopolitan (found worldwide in both tropical and temperate regions)
• Growth Rate: Fast
• Height: 10-24 inches (25-60 cm)
• Temperature Range: 59-86°F (15-30°C)
• pH Range: 6.0-7.5
• Water Hardness: Soft to hard (2-15 dGH)
• Lighting Requirements: Low to high
• CO2 Requirement: 0-10 mg/L (does not require CO2)
• Difficulty: Very easy
• Propagation: By cuttings; simply break off a stem and replant or let it float.
• Source: Dennerle plants

Maintenance Tips:

• Lighting: Ceratophyllum demersum thrives in a wide range of lighting conditions, from low to high. It grows faster under higher light but can still thrive in low-light setups.
• CO2: This plant does not require CO2, making it a low-maintenance option for all aquariums.
• Nutrients: Regularly dosing with Thrive All-in-One fertilizer will ensure the plant has access to essential nutrients, though it often grows well even in nutrient-poor conditions.
• Planting: Ceratophyllum demersum can be used as a floating plant or planted in the substrate. It is rootless, so it doesn't need to be anchored and can be left to drift freely in the aquarium.
• Pruning: Hornwort grows quickly and should be pruned regularly to prevent it from overtaking the tank. Remove excess growth to maintain its shape and keep it manageable.

Placement Ideas:

• Background or Floating Plant: Hornwort works well as a background plant or as a floating plant, providing shelter and reducing light penetration for shy fish and shrimp.
• Natural Filtration: Its fast growth and nutrient uptake help improve water quality by reducing nitrates and controlling algae growth.
• Breeding Tanks: Ceratophyllum demersum is often used in breeding tanks because its dense foliage provides excellent cover for fry and small fish.

Why Buy Ceratophyllum demersum?

• Fast Growth: Hornwort is ideal for quickly filling out aquascapes and providing lush, dense foliage in any tank.
• Low Maintenance: This hardy plant thrives in a wide range of conditions and doesn’t require CO2, making it perfect for beginners or low-tech setups.
• Quality Assurance: Sourced from Dennerle, ensuring healthy, vibrant plants that will thrive in your aquarium.
• Improves Water Quality: Its ability to absorb excess nutrients makes it a natural tool for reducing algae and maintaining a balanced ecosystem.