Roxie Rusalka: The Ultimate Guide to the Versatile and Enchanting Aquarium Plant

Introduction:

Roxie Rusalka (alternatively known as Helanthium tenellum 'Rusalka') is a highly adaptable freshwater aquarium plant. Its diminutive stature, vibrant hues, and versatility make it a popular choice among aquarists. This comprehensive guide delves into everything you need to know about this fascinating plant, providing detailed care instructions, cultivation tips, and troubleshooting advice.

Origin and Appearance:

The Roxie Rusalka originated in the shallow, slow-moving waters of southeastern North America. It typically forms dense, low-growing rosettes with narrow, tapering leaves that gracefully flow in the water current. The leaves exhibit a captivating range of shades, from bright green to reddish-brown, depending on the lighting conditions.

Cultivation Requirements:

Water Parameters:
* pH: 5.0-7.5
* Hardness: 0-10 dGH
* Temperature: 15-28°C (59-82°F)

Lighting:
* Medium to high intensity
* Photoperiod: 8-12 hours per day

Substrate:
* Fine-grained sand or gravel
* Nutrient-rich soil provides optimal growth

Planting:
1. Remove the plant from its packaging and rinse the roots gently.
2. Dig a small hole in the substrate deep enough to accommodate the entire root system.
3. Gently insert the plant into the hole and firm the substrate around it.
4. Leave ample space between plants for adequate growth and circulation.

Growth and Propagation:

Roxie Rusalka is a fast-growing plant that quickly forms dense carpets. It typically propagates through runners that extend horizontally, sending out new rosettes at the nodes. To propagate the plant, simply detach the runners and replant them in new locations.

Benefits of Roxie Rusalka:

• Provides cover and shelter for small fish and invertebrates.
• Effectively removes excess nutrients from the water column.
• Adds visual appeal to the aquarium with its vibrant foliage.
• Contributes to the biofiltration process by consuming harmful compounds.

Common Care Issues:

• Poor growth: Ensure adequate lighting, nutrients, and CO2 levels.
• Melting leaves: May be caused by sudden changes in water parameters or nutrient deficiencies.
• Algae growth: Excessive light or nutrient levels can promote algae growth.

Troubleshooting:

Table 1: Common Care Issues and Solutions

Table 2: Nutrient Requirements

Table 3: Optimal Lighting Requirements

Frequently Asked Questions:

1. What is the ideal size for a Roxie Rusalka aquarium?
   - A tank of at least 10 gallons is recommended to provide ample space for growth and root development.

2. Can Roxie Rusalka be kept with fish?
   - Yes, it is compatible with most fish species that prefer similar water parameters.

3. How often should I prune Roxie Rusalka?
   - Regular pruning (every few weeks) is necessary to control growth and maintain a dense and aesthetically pleasing appearance.

4. Why is my Roxie Rusalka turning brown?
   - This could indicate nutrient deficiencies or improper lighting conditions. Adjust nutrient levels and ensure optimal light intensity.

5. Can I plant Roxie Rusalka in bare-bottom tanks?
   - Yes, but nutrient-rich substrate will provide better growth.

6. How long does Roxie Rusalka live?
   - Under ideal conditions, it can live for several years.

Conclusion:

Roxie Rusalka is a versatile and captivating aquarium plant that adds both functionality and beauty to any freshwater setup. Its low maintenance requirements, fast growth rate, and adaptability make it an excellent choice for both beginners and experienced aquarists. By following the care instructions and cultivation tips outlined in this guide, you can successfully grow and enjoy the enchanting presence of this remarkable plant in your aquarium.