Chain Sword Narrow Leaf (Hellanthium bolivianum) – Live Aquarium Foreground Plant

Chain Sword Narrow Leaf, also known as Hellanthium bolivianum, is a fast-growing foreground plant that creates lush, green carpets in freshwater aquariums. Its narrow, vibrant leaves spread quickly, providing a natural, thriving underwater landscape. Perfect for both beginners and experienced aquascapers, this plant enhances the aesthetic and ecological balance of your tank.

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Overview

Hellanthium bolivianum features slender, sword-like leaves that grow densely across the substrate. This fast-growing species is ideal for creating attractive foreground coverage, forming a carpet that complements other midground and background plants. Its compact growth, adaptability, and easy care make it a favorite for small and large aquariums alike.

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Key Features

• Fast-growing foreground aquarium plant
• Forms vibrant, dense green carpets
• Narrow, sword-shaped leaves ideal for detailed aquascapes
• Suitable for small and large freshwater tanks
• Easy-care plant for beginners and advanced aquarists

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Benefits

• Quickly transforms bare substrate into a lush, green carpet
• Provides hiding spots and shelter for fish and shrimp
• Enhances natural aesthetics and depth in planted tanks
• Promotes oxygenation and natural nutrient absorption
• Easy to propagate by separating rhizome runners

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Care Guide

Lighting:
Medium to high lighting for optimal growth and vibrant green coloration

CO₂:
Optional, but CO₂ supplementation accelerates growth and density

Water Temperature:
68–82°F (20–28°C)

pH Range:
6.0 – 7.5

Placement:
Foreground of the aquarium; spreads quickly to cover substrate

Substrate:
Nutrient-rich aquarium soil is preferred for best growth

Growth Rate:
Fast; will form a carpet in weeks under ideal conditions

Care Level:
Easy to Moderate

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Planting Instructions

1. Remove the plant from its container carefully.

2. Rinse thoroughly to remove any gel or debris.

3. Separate runners or small clusters.

4. Plant each portion into the substrate using tweezers.

5. Provide medium to high light, and optionally CO₂, for faster carpet formation.

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Frequently Asked Questions

Q: How tall does Chain Sword Narrow Leaf grow?
A: Typically 2–4 inches (5–10 cm) tall, spreading horizontally to form a dense carpet.

Q: Do I need CO₂ injection?
A: Not required, but it boosts growth speed, leaf size, and density.

Q: Where should I plant it in my aquarium?
A: Best planted in the foreground or along open substrate areas.

Q: Is it safe for fish and shrimp?
A: Yes, completely safe for all freshwater community tanks.

Q: Can it grow emersed?
A: Yes, it can adapt to humid, semi-aquatic conditions for paludariums or dry start methods.

Q: How do I maintain it?
A: Trim runners regularly to maintain carpet density and encourage healthy growth.

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Important Notes

• Initial melting of leaves may occur during adaptation; new growth will emerge
• Growth and color intensity depend on lighting, nutrients, and CO₂
• Avoid burying crowns too deeply to prevent rot
• This is a live plant; appearance may vary slightly in size and shade