Hornwort is another world traveller that sets down roots in many types of water. We found gigantic colonies of this free-floating stem plant in a tributary of the rio Miranda at the edge of the Pantanal basin in South America. The stems grow at an astounding rate and require constant pruning. Ceratophyllum is known as a silver bullet against algae. And it’s easy to see why: the plant is greedy and quite simply removes the algae’s food source. We recommend using hornwort in every new setup.
Show us a picture of your Ceratophyllum demersum by posting it on Instagram with #CeratophyllumDennerlePlants and get reposted if you are lucky!
Small rhizome plant
On clay amphora 10x5x7cm
Narrow-leaved rosette plant for the foreground
In a pot
Grassy carpeting plant
On a 9x9cm pad
Undemanding rhizome plant for the foreground
In-vitro cup
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