Vallisneria spiralis ‘Tiger’ is in Tropica’s easy category and therefore does not require high lighting levels or CO2 to thrive.
It does best in harder water rich in carbonates that the plant uses as a source of carbon. It is a 100% aquatic plant meaning it will not grow emersed like most other aquarium plants and is propagated under water.
It produces runners with new plants form readily. Under more intense lighting the leaves turn a reddish colour. It’s ‘Tiger’ name refers to the characteristic black marks that appear on the leaves