Giant vallisneria
Vallisneria gigantea
PlantFreshwater
Leaves are ribbon-like, dark green, 50–100 cm long, sometimes more. They are wider than those of V. spiralis. The plant spreads via vigorous stolons. It can cover the entire tank surface if uncontrolled. Very hardy and tolerates hard water. Leaves can be trimmed to desired length.
Recommended parameters
| Parameter | Recommended range |
|---|---|
| Temperature | 22–28 |
| pH | 6.5–8 |
| GH | 5–20 |
| KH | 3–10 |
| NO₃ | ≤ 20 |
| PO₄ | ≤ 0.5 |
Care
Difficulty1/5
Dietphotosynthetic
Min. tank150 L
Min. group1
Adult size100 cm
Lifespan5 ans
Temperamentpeaceful
Care notes
Temperature 22–28°C, pH 6.5–8.0, GH 5–20. Moderate lighting (0.5 W/L) is sufficient. A sand or fine gravel substrate is acceptable. CO2 addition is not needed. Requires a large tank (minimum 150 L) due to its size. Compatible with large fish. Thin out regularly to avoid overgrowth.