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Eriocaulon Aquaticum care guide

Eriocaulon Aquaticum (Eriocaulon aquaticum) — high light, 18-25 °C, pH 5-6.5, CO2 recommended.

Overview

Eriocaulon Aquaticum (Eriocaulon aquaticum) is an aquatic plant of the family Eriocaulaceae, listed in the Aquairi knowledge base as an advanced-level species. It is typically grown under high light with pressurised CO2 injection on nutrient-rich aquasoil. A stunning rosette plant with narrow, translucent leaves radiating in a star-like pattern. Requires soft, acidic water with CO2 injection and strong lighting, making it a true challenge for advanced aquarists.

Taxonomy

  • Family: Eriocaulaceae
  • Genus: Eriocaulon
  • Scientific name: Eriocaulon aquaticum
  • Common synonyms: Pipewort

Habitat

Eriocaulon is a genus of pipeworts (Eriocaulaceae) with around four hundred species worldwide, many in seasonally flooded fields and acidic, soft-water habitats of South and South-East Asia and the Americas. In the Aquairi knowledge base, populations associated with this form are recorded from North America, Europe.

Growth requirements

  • Lighting: high
  • CO2: recommended
  • Temperature: 18-25 °C (64-77 °F)
  • pH: 5-6.5
  • GH: 0-4 °dGH
  • Substrate: nutrient-rich aquasoil
  • Maximum height: 15 cm
  • Growth rate: slow
  • Recommended placement: foreground

Placement

Midground accent forming a tight rosette of narrow leaves. A nutrient-rich substrate, soft water and CO2 are required for stable submersed growth. In the Aquairi knowledge base this form is recommended for the foreground under high light with pressurised CO2 injection, using nutrient-rich aquasoil.

Propagation

Flowering produces side shoots that can be separated from the parent rosette; division gives the most reliable propagation in the aquarium. Documented propagation techniques for this entry include: division of the parent plant.

Common issues

Sensitive to disturbance — replanting an established rosette often triggers melt, after which the plant slowly recovers. Soft, mineral-poor water with adequate CO2 reduces stress responses.

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