Top 10 beginner-friendly aquatic plants that grow without CO2 injection.
Here are 10 carefully selected hardy aquatic plants that grow even without CO2 injection.
1. Anubias nana
Difficulty: ★☆☆☆☆ / Price: 500-1,000 yen
Simply attach to driftwood or rocks. The ultimate low-light aquatic plant.
2. Microsorum (Java Fern)
Difficulty: ★☆☆☆☆ / Price: 500-1,500 yen
A fern that grows attached to surfaces. Distinctive leaf shapes add character to layouts.
3. Hornwort
Difficulty: ★☆☆☆☆ / Price: 100-300 yen
Just float it. Extremely fast growth and contributes to water purification.
4. Egeria (Anacharis)
Difficulty: ★☆☆☆☆ / Price: 100-300 yen
Plant or float — either works. Perfect companion for medaka.
5. Willow Moss
Difficulty: ★☆☆☆☆ / Price: 300-800 yen
Wrap around driftwood to attach. Also serves as shelter for shrimp.
6. Vallisneria
Difficulty: ★★☆☆☆ / Price: 200-500 yen
Long, flowing leaves create a beautiful swaying effect. Spreads naturally via runners.
7. Hygrophila polysperma
Difficulty: ★☆☆☆☆ / Price: 200-400 yen
A fast-growing, hardy stem plant for beginners. Easy to propagate by replanting cuttings.
8. Rotala rotundifolia
Difficulty: ★★☆☆☆ / Price: 300-600 yen
A stem plant that turns red to pink. Colors improve with stronger lighting.
9. Bucephalandra
Difficulty: ★★☆☆☆ / Price: 800-3,000 yen
An epiphytic plant with some species featuring sparkling leaves. Slow growth means less algae buildup.
10. Cryptocoryne
Difficulty: ★★☆☆☆ / Price: 300-1,000 yen
A shade-tolerant plant for foreground to midground. May melt with environmental changes but regenerates from roots.
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