Vallisneria americana var. biwaŽnsis

Vallisneria americana var. biwaŽnsis in my aquarium

Synonymies
Vallisneria asiatica biwaensis, Vallisneria biwaensis

Description
Green aquarium plant with long twisted leaves. This easy plant gives gets many runners. After a while a group of this plants get so thick that it has to be thinned out. This so it won't suffocate itself.

My experiences
The leaves of this plant are now less twisted than when I bought the plant. Especially the older leaves lose the twist in the leaves. This plant is also sensitive for the medicine 'unicel' of HS (which is described on the medicine page) is my experience.

Place and lighting in my aquarium
This plant stands in the left-back of my aquarium. The lighting I have used for this plant has varied between 0.42 Watt/liter standard TL lighting (2*18 Watt) till 0.63 Watt/liter standard TL lighting (3*18 Watt).
 
Foot-note
The picture on this page is taken from my own aquarium.

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