Hygrophila Araguaia, AKA Hygrophila lancea was named after the Brazilian river Araguaia in trade, however, later on, it was identified as the Asian species Hygrophila lancea. Underwater it grows lineal reddish-brown leaves with a lighter-colored central vein. Its stems have a creeping growth habit, ramify well and form low bushes. Trimming the leaves maintains the bushy form. Hygrophila lancea "Araguaia" does best in moderate to strong light with co2 or a co2 supplement. In contrast to most other Hygrophila species, it is a rather slow grower. Usually, it is sold in its emerged form and differs very much from the underwater form (see picture 3), which develops after it has been placed in the aquarium.
Potted plants are started in rock wool. To plant remove as much rock wool as possible. Most of the rock wool will pull off. If you have any left and want it off, shake the plants gently by holding it by the plant and shaking in water. Leaving some rock wool will help anchor the plant in your substrate.
To separate the plant into individual plants grab the stems right above the root and pull gently. The roots should separate if they don't stop pulling and try other stems. Swirling this plant in water will help each individual plant separate easier.
Only plant the root in your substrate, not any of the plant itself or this can cause melting or shock.
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