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Hornwort (Ceratophyllum demersum) – Fast Growing Algae Fighter
Long feathery rootless stems on a fast-growing algae-suppressing aquarium plant
- Regular price
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£7.99 - Regular price
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- Sale price
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£7.99
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Quick Facts
Rating:
Common name: Horwort, cedar moss, coon tail, horn weed, morass weed, rigid hornwort,
Origin: Europe/Asia
Position in Aquarium: Background and Floating
Grows up to (cm):
Pot Size:
Growth rate: Fast
Description
Hornwort (Ceratophyllum demersum) is one of the most widely kept aquarium plants in the world, producing long, branching stems of feathery, dark-green whorled needles. It is a rootless plant — absorbing all its nutrients directly from the water column — which means it can be floated freely at the surface or gently anchored in the substrate to create a background effect.
It is extremely easy to grow, tolerating a wide range of water conditions, temperatures, and light levels. Its rapid growth makes it an excellent nutrient absorber, helping to suppress algae in both new and established aquariums. It also releases natural growth-inhibiting compounds that can help keep certain types of algae in check.
Supplied as established cuttings, Hornwort is particularly valuable for aquariums housing fry or shrimp, as its dense, feathery growth provides natural shelter and grazing surfaces. It is equally useful in pond set-ups and coldwater aquariums where few other plant species will thrive.
Plant Sizes
You’ll receive a healthy, rooted plant in a pot, similar to those shown. Each one is hand-checked before dispatch.
Shipping
Same-day dispatch on orders placed before 4pm, Monday to Friday. Tracked 24 Service from £4.99, DPD Express from £6.99.
Is Hornwort easy to grow?
Yes, Hornwort is very easy to grow. It is fast growing, forgiving, and suitable for beginners, making it a popular choice for simple aquarium setups.
Can Hornwort be floated or planted?
Yes, Hornwort can be used either floating or planted. It is a rootless plant, so it can be left to float freely or gently anchored into the substrate for a background effect.
Does Hornwort need CO2?
No, Hornwort does not need CO2. It grows well in low-tech aquariums, although good lighting and regular maintenance will help keep it looking its best.
Is Hornwort good for shrimp and fry?
Yes, Hornwort is excellent for shrimp and fry. Its dense, feathery growth provides natural cover where young fish and shrimp can hide, graze, and feel safer.
Why is my Hornwort shedding needles?
Some needle shedding is normal when Hornwort is first added to a new aquarium. Remove any dropped needles and give the plant time to settle into your water conditions.
