
Ludwigia repens ‘Rubin’ is a popular freshwater aquarium plant known for its vibrant red to burgundy leaves and relatively easy care. Here’s a quick overview:
Scientific Classification
Characteristics
Type: Stem plant
Growth rate: Moderate
Height: 20–50 cm (8–20 inches)
Light demand: Medium to high
CO₂: Recommended for optimal coloration and growth
Temperature: 20–28°C (68–82°F)
pH range: 6.0–7.5
Water hardness: Soft to moderately hard
Care Tips
Lighting: Strong lighting helps bring out the deep red hues; under low light, the plant tends to turn greenish.
CO₂ & Fertilization: Supplemental CO₂ and a nutrient-rich substrate or liquid fertilizers help maintain vivid coloration and healthy growth.
Trimming: Regular pruning encourages bushy growth and prevents the plant from overshadowing others.
Placement: Best used in midground to background due to its height and striking color contrast.