Salvinia: Beauty or Beast for Aquascape?

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Salvinia is a genus of floating aquatic ferns that are popular plants for aquariums and ponds. Here are some key facts about salvinia plants:

1. There are around 12 species of salvinia plants. The most common in aquariums are Salvinia natans and Salvinia minima.
2. They have oval-shaped leaves that fold at the center and lay flat on the water surface.
3. The leaves are usually a bright green color. The leaves are connected by thin, trailing stems that form chains along the water's surface.
4. Underneath the leaves are brown, finely-divided "hairs" or roots that trail in the water. These roots help absorb nutrients.
5. Salvinia floats on the surface and does not require soil or planting. It gets nutrients directly from the water.
6. It reproduces quickly from spores and plant division, rapidly spreading to form dense mats on the water.
7. Thrives in warm water in bright, indirect light. Grows best in still water conditions.
8. Provides shade and cover for fish. Helpful for controlling algae and absorbing excess nutrients.
9. Can become invasive and problematic in outdoor ponds. Regular removal and thinning is necessary.

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