How to Care for Hornwort (Coontail Plant) in Your Aquarium

The Hornwort Plant (Ceratophyllum Demersum), commonly known as Coontail or Coontail Grass, is one of the easiest and most rewarding plants you can add to a freshwater aquarium. Its fast growth, low maintenance, and natural beauty make it a favorite for both beginners and experts.

If you’re considering adding Hornwort to your tank, here’s a complete care guide to help it thrive.

Lighting Requirements

Hornwort does well in a wide range of lighting conditions. While it can survive in low light, moderate to high light will encourage faster and healthier growth.

Water Conditions

This hardy plant can tolerate a variety of temperatures (15–30°C) and pH levels. Its adaptability is one of the reasons why it’s a great beginner plant.

Planting Hornwort

Unlike rooted plants, Ceratophyllum Demersum doesn’t have true roots. You can allow it to float freely in your tank, or anchor it with plant weights to create a dense, bushy effect.

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Trimming and Maintenance

Hornwort is a fast grower, which means you’ll need to trim it regularly to prevent it from taking over your tank. Cuttings can be replanted or allowed to float, making it easy to propagate.

Tank Mates

This plant is compatible with almost all freshwater fish and shrimp. Its dense leaves offer hiding spots for fry, while adult fish appreciate the extra oxygen and shade.

Final Thoughts

The Hornwort Coontail Aquarium Plant is one of the most reliable and low-maintenance additions you can make to a freshwater tank. With minimal care, it will quickly adapt, grow, and improve your aquarium environment.