General
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Care sheet for Alternanthera reineckii 'Rosanervig,' a popular aquatic plant also known as "AR Mini," when grown in an aquarium:
Lighting: Alternanthera reineckii 'Rosanervig' requires moderate to high lighting levels in the aquarium. Provide at least 3-5 watts per gallon of full-spectrum lighting with a color temperature of 6500K to 7500K to promote healthy growth and vibrant coloration.
CO2 Injection: CO2 injection is recommended for optimal growth of Alternanthera reineckii 'Rosanervig.' This plant is a high-demanding plant that benefits from supplemental carbon dioxide to support its growth and coloration. Aim for a concentration of 20-30 ppm of CO2 in the aquarium water.
Water Parameters: Alternanthera reineckii 'Rosanervig' prefers soft to moderately hard water with a pH range of 6.0-7.0. Water temperature should be kept within the tropical range of 72-82°F (22-28°C).
Substrate: Use a nutrient-rich substrate such as aquarium soil or a specialized aquatic plant substrate to provide essential nutrients for healthy growth. A layer of about 2-3 inches is recommended for this plant.
Fertilization: Alternanthera reineckii 'Rosanervig' is a heavy feeder and requires regular fertilization. You can use a comprehensive liquid fertilizer formulated for aquatic plants or root tabs inserted into the substrate to provide essential nutrients like nitrogen, phosphorus, and potassium. Follow the manufacturer's instructions for dosing.
Water Flow: Moderate water flow is ideal for Alternanthera reineckii 'Rosanervig.' Avoid placing it in areas with strong water currents, as it can cause the delicate leaves to become damaged.
Pruning: Regular pruning is necessary to maintain the shape and size of Alternanthera reineckii 'Rosanervig.' You can trim back the tops of the stems to encourage bushier growth and prevent the plant from becoming too tall and leggy.
Propagation: Alternanthera reineckii 'Rosanervig' can be propagated through stem cuttings. Simply trim off a healthy stem with leaves and plant it in the substrate. Make sure to remove any leaves that will be submerged in the water to prevent decay.
Algae Control: To prevent algae growth on Alternanthera reineckii 'Rosanervig' and in the aquarium, maintain good water quality by avoiding overfeeding and keeping nitrate and phosphate levels in check. Regular water changes and mechanical removal of algae can also help to keep it under control.
Placement: Alternanthera reineckii 'Rosanervig' can be used as a midground or background plant in the aquarium. Plant it in groups for a more visually striking effect, and consider placing it against a contrasting background to highlight its vibrant coloration.
With proper care, Alternanthera reineckii 'Rosanervig' can thrive and add a beautiful splash of color to your aquarium. Happy aquascaping!