(Pack of 3)
Elodea: an oxygenating and easy plant for natural aquariums and ponds
What is Elodea?
Elodea (Elodea densa) is a fast-growing aquatic plant whose long stems, covered with dark green leaves arranged in a spiral, capture light at all depths and release significant amounts of oxygen visible as bubbles. Able to grow freely or slightly anchored, it thrives equally well in low-tech aquariums, ponds, or trash ponds, without substrate or CO₂ injection. These qualities make it the perfect ally for both beginner and experienced natural aquarium enthusiasts.
Why choose Elodea for a natural aquarium?
- Highly oxygenating: intense photosynthesis, constant bubbles if light is strong
- Natural filtration: absorbs nitrates, CO2, and phosphates, starving algae
- Proven antibiotic effect: helps limit cyanobacteria
- Dense refuge: protects fry, shrimp, and microfauna
- Versatile & robust: tolerates 3 - 30 °C and overwinters under ice
Easy maintenance of Elodea
- 🌱 Without substrate: let it float, wedge between stones/roots, or weigh down the base
- 💡 Light: medium to strong
- ✂️ Regular trimming and cuttings: pinch or cut stems that are too long or bare. Each fragment becomes a new plant
Tips for using Elodea well
- 🎨 Purifying mass or decorative green curtain in the background
- 🌿 To be combined with floating plants (giant duckweed, Phyllantus...) to filter light
- 🌡️ Maintains a vital oxygen level for fish during heatwaves in ponds
FAQ - Elodea Aquarium
Can elodea float freely?
Yes, and it anchors itself by sending out "root" filaments to resist the current.
Is a substrate needed?
No, it feeds directly from the water. Ideal in a low-tech tank or natural pond for this purification role.
Compatible without a filter?
Absolutely. Its purifying action does for free what no filter can do.
Invasive?
It grows quickly. Remove excess to make space.
Does it combine easily?
Yes, with other oxygenators or floating plants.
Additional information
Scientific name: Elodea densa
Adult height: 20 - 50 cm (can exceed 1 m in a pond)
Packaging: pack of 3 plants (approximate weight: 20 g)
Guarantee: plants without rock wool or artificial substrate
Recommendation: even though it is not classified as invasive (unlike its cousin E. canadiensis), please never release the plant into the wild. Every natural aquatic ecosystem is fragile and precious
