Product Description

Ultimate Oxygenator – Clear Water, Happy Fish

Fast-Growing Aquatic & Pond Plant – Ideal for Algae Control and Aquarium Stabilization

Waterweed is one of the most popular aquatic plants, known for its rapid growth and effectiveness in suppressing algae. Its high nutrient demand helps stabilize new aquarium setups by reducing the risk of algae outbreaks. It also produces natural substances that act like antibiotics, helping prevent cyanobacteria blooms. Easy to propagate – simply trim a shoot and replant it. Its performance depends on lighting and mineral availability. In cases of mineral deficiency, the plant continues to grow, but turns lighter green and develops thinner new stems.

Oxygenating Beauty for Tanks & Ponds

Elodea densa is a fast-growing, oxygenating aquatic plant perfect for both aquariums and garden ponds.

It improves water clarity, helps reduce algae, and provides natural shelter for fish and snails.

No chemicals. No CO₂ needed. Just vibrant, living greenery.

Add To Basket Add To Basket Add To Basket Add To Basket Add To Basket Add To Basket Customer Reviews 4.4 out of 5 stars 494 4.3 out of 5 stars 4,025 4.6 out of 5 stars 748 4.5 out of 5 stars 149 4.6 out of 5 stars 89 4.7 out of 5 stars 185 Price £4.89£4.89 £5.99£5.99 £8.99£8.99 £13.14£13.14 £15.99£15.99 £18.99£18.99 Stems 5 10 20 30 40 50 Recommended Tank Size Up to 10L Up to 20L 20–40L 40–60L 60–100L 100L+ Visual Coverage Very Light Light Medium Dense Full Very Dense Ideal Use Nano tanks Test setup Starter kit Aquascape Biotope tanks Multiple aquariums Plant Type Elodea densa Elodea densa Elodea densa Elodea densa Elodea densa Elodea densa

Garden Pond Hero – Natural Algae Control and Water Oxygenation

Bring balance and beauty to your aquatic setup with Elodea densa – a naturally effective solution for clearer, healthier water. Thriving in both aquariums and ponds, this fast-growing plant helps control algae by absorbing excess nutrients, while enriching the water with oxygen. Its dense foliage offers a safe haven for fish and snails. No special care needed – just clean, natural growth without CO₂ systems or additives. Whether you're starting a new tank or enhancing a mature one, Elodea brings both function and vitality to any aquatic space.

Marimo Moss Balls – Clean, Green, Effortless

Unique algae spheres that filter debris, support shrimp and add natural beauty to any aquarium.

Fast-Growing Oxygen-Rich Plants

Elodea Densa – Fast Oxygenator

Great for beginners, this classic plant rapidly improves water quality and provides cover for small fish.

Ceratophyllum Demersum – Floating Wonder

A rootless, adaptable species that thrives floating or anchored. Perfect for fry and natural filtration.

Hygrophila difformis – Oxygen-Packed Growth

Grows quickly, absorbs excess nutrients, and adds fine texture to your tank. Great for oxygen and algae control.

Find the Perfect Plant for Your Aquarium

Amazon Sword

Large background plant with impressive green foliage. Ideal centrepiece.

Java Fern (Microsorum)

Perfect for low-light tanks. Grows without soil, great for aquascapes.

Red Tiger Lotus – Bold & Colourful

Striking red foliage, fast-growing and perfect as a centrepiece. Adds height, shade, and vibrant contrast.

Anubias Nana

Hardy, slow-growing and beginner-friendly. Anchors easily to rocks and driftwood.

• 2 Bunches 20 Stems Elodea Densa
• FAST-GROWING OXYGENATING PLANT FOR A HEALTHY POND AND AQUARIUM: Perfect for aquariums and outdoor ponds - not shrimp safe. Elodea Densa features long, bright green stems with dense foliage, making it an excellent natural oxygenator. It absorbs excess nutrients, reduces algae growth, and improves water clarity, ensuring a clean and balanced aquarium environment.
• HARDY AND LOW MAINTENANCE – PERFECT FOR ALL AQUARISTS: This extremely resilient plant thrives in various water conditions, making it ideal for beginners and experienced aquascapers. Elodea Densa is easy to grow, fast-spreading, and requires minimal maintenance, making it an excellent addition to any aquarium.
• VERSATILE PLANT : Elodea Densa can be placed in the substrate for a bushy background effect or left floating to provide shade and shelter for fish. Just drop into the tank or pond. It grows in both low and high lighting conditions, adapting well to different aquascaping styles. Difficulty level: Easy, making it suitable for all freshwater setups, including cold water aquariums.
• GREAT FOR AQUATIC LIFE: Elodea Densa is completely safe for all freshwater fish. It provides natural hiding spots, reduces fish stress, and is widely used in goldfish tanks as it offers a natural supplemental food source. Its oxygenating properties support a thriving aquatic habitat, making it both a functional and visually appealing addition to any aquarium and pond.