Limnophila Vietnam Mini, also known as Limnophila sp. ‘Vietnam Mini,’ is a popular aquatic plant in the hobby of planted aquariums. It is a small, delicate stem plant native to Southeast Asia, particularly Vietnam, where it was first discovered. Here are some key characteristics and care tips for Limnophila Vietnam Mini:

1. Appearance: Limnophila Vietnam Mini has small, narrow leaves that are green in color. The leaves are usually less than 1 inch long, giving it a compact and bushy appearance. When provided with proper care, it can form dense, lush bushes in your aquarium.
2. Lighting: This plant requires moderate to high lighting to thrive. LED lights with a color temperature in the range of 6500K to 7500K are ideal. If the lighting is too low, the plant may become leggy and lose its compact shape.
3. Water Parameters:
   • Temperature: 72-82°F (22-28°C)
   • pH: 6.0-7.5
   • Water Hardness: Soft to moderately hard water is suitable.
4. CO2 Injection: While not absolutely necessary, injecting CO2 into your aquarium will promote faster and healthier growth of Limnophila Vietnam Mini. CO2 supplementation is particularly important if you have high lighting.
5. Nutrient Requirements: This plant benefits from a nutrient-rich substrate or the addition of root tabs. In addition, regular dosing of a comprehensive liquid fertilizer containing essential macronutrients and micronutrients is essential for optimal growth.
6. Pruning: Regular pruning is necessary to maintain its compact and bushy appearance. You can trim the stems to encourage lateral growth and prevent the plant from becoming too tall.
7. Propagation: Limnophila Vietnam Mini can be propagated through stem cuttings. Simply cut a healthy stem and replant it in the substrate. It will root and grow into a new plant.
8. Placement: It can be used as a foreground or midground plant in your aquarium. Due to its small size, it is suitable for nano tanks and aquascapes where you want to create a lush, carpet-like effect.
9. Algae Control: Like many aquarium plants, Limnophila Vietnam Mini is susceptible to algae if not properly cared for. Ensure good water circulation, maintain stable water parameters, and promptly remove any decaying or dead plant material to prevent algae growth.
10. Tankmates: This plant is compatible with a wide range of freshwater fish and invertebrates. However, be cautious with herbivorous fish species that may nibble on the delicate leaves.

Overall, Limnophila Vietnam Mini is a beautiful and relatively easy-to-care-for aquatic plant that can add a vibrant green carpeting effect to your aquarium when provided with the right conditions. Proper lighting, nutrient supplementation, and regular maintenance are key to its success in the aquarium hobby.