Plant guide
Hornwort: Complete Aquatic Plant Care
Last updated: May 2026
PlantHornwort Ceratophyllum demersum
DifficultyEasy
LightingMedium
CO₂Not required
GrowthVery fast
PlacementBackground / floating
HeightUnlimited
Temp15–30°C
pH6.0–7.5
Expect needle litter after big moves—stabilise parameters before panic-trimming.
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