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Aquarium and pond equipment at the best prices!
For those passionate about aquariophily
Having trouble finalizing your order? Contact us 24 hours a day by email at information@zoanthus.fr.
Basin Analysis
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
Balling Products
Seawater supplements
Basic elements
Fresh Water Supplements
CO2 system
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
Water treatment
Bacterial Treatments
Adverse Treatments
Fish Care
Water treatment
Bacterial Treatments
Adverse Treatments
Fish Care
Water treatment
Bacterial Treatments
Fish Care
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
Sand
Substrate for reactor
Sea Salts
Pond Substrate
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
Seawater Equipment
Basin Equipment
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
The in vitro Rotala rotundifolia 'H'ra' brightens up any aquarium with its fine, elegant leaves that change from soft green to a vibrant orange under optimal lighting . This stem plant grows quickly and forms a charming little bush that perfectly adorns the bottom of the tank. Easy to maintain, it adapts equally well to conventional aquariums and demanding aquascapes. With regular maintenance and proper pruning, it offers a striking decorative effect. Its ability to change its color depending on the maintenance conditions makes it an ideal choice for bringing dynamism and originality to the aquatic environment.

Rotala rotundifolia 'H'ra' is a variety distinguished by its fine foliage and spectacular color. Halfway between the classic Rotala rotundifolia and Rotala 'Colorata', it retains a more delicate appearance, with slightly curved leaves and a creeping or semi-trailing habit depending on the conditions. Placed in a well-lit aquarium, it develops a vivid orange hue, perfect for contrasting with more traditional green plants.
Its rapid growth makes it an ideal plant for quickly filling an empty space in a planted container. It spreads into a dense bush that gives an impression of volume and movement. Although it can be used in the background, it is particularly appreciated in the middle of a container to structure a composition and add depth.
Although it adapts to many environments, this plant grows optimally under certain conditions:
It grows easily in a nutritious substrate , but can also adapt to conventional soil provided it has a good nutrient supply. A good filter is also recommended to prevent debris build-up and keep the water clean.
To fully enjoy the beauty of this plant, just follow a few simple steps. Remove the Rotala rotundifolia 'H'ra' from its in vitro dish, rinse it thoroughly to remove the growing gel, then divide it into several sections. Plant these sections in the substrate, spacing them slightly apart so they can grow well.
Its rapid growth requires regular pruning to prevent it from becoming overgrown. When pruned, it produces new side shoots, making the bush even more dense and colorful. To maximize its vibrancy, fertilization rich in iron and potassium is recommended.
Rotala rotundifolia 'H'ra' is highly valued by aquascapers for its bright appearance and ease of maintenance. It blends perfectly with green plants such as mosses, lawns or even decorative elements such as an aquarium root .

It can be used in a variety of ways: in the middle of a tank to structure a decor, in the background to create a dense plant mass, or even as a creeping carpet if it is cut very short and subjected to intense lighting. With its delicate foliage and evolving color, it adapts to all styles of aquariums.
Rotala rotundifolia 'Blood Red' is undoubtedly one of the most spectacular plants for adding color to an aquarium. A native of Asia, this variety boasts a deep, vibrant red color that creates a striking contrast alongside light green plants. Easy to maintain, it thrives even in moderate light and nutrient conditions, although strong lighting and an optimized CO2 system are recommended to reveal its full potential. It grows tall, with gently arching stems that form a dense, bushy structure. Easily trimmed, it can be used to create colorful, dynamic, and modern displays in any type of tank.
This new coral concentrate contains both liquid and solid elements, providing food for SPS as well as various soft corals. Does not increase PO4 or NO3.
Special food for sponges, giant clams and tunicates.
Recommended in all aquariums and for all coral species. Up to 100% increase in growth of many SPS, even in delicate species from Fiji or Tonga.
EasyCarbo is a very powerful and effective carbon nutrient solution for aquarium plants . Provides essential carbon for good plant growth.
Tropic Marin All-for-Reef Powder 1.6 kg is an ultra-concentrated mineral blend which, after being dissolved in reverse osmosis water, provides an easy-to-use, highly concentrated all-in-one solution for everyone's intake essential minerals and trace elements in newly established or average reef aquariums.
Hygrophila pinnatifida is a unique aquatic plant distinguished by its copper, green, and burgundy foliage. Perfect for decorating the background of an aquarium, it clings naturally to roots and rocks, creating a natural and lush setting. With moderate growth , it remains compact if regularly pruned and provided with good lighting . It is ideal for aquarists of all levels, from beginners to experts wishing to perfect an elegant and refined aquatic landscape.
Heteranthera zosterifolia , also known as Stargrass, is a beautiful aquatic plant native to South America, famous for its rapid growth and dense, star-shaped foliage. Perfect for enhancing the background of aquariums, it easily creates a lush, bushy effect. This plant can reach between 30 and 50 cm in height and has the advantage of producing pretty little blue flowers if it reaches the surface in an open aquarium. Easy to propagate by cuttings, it appreciates bright light, a regular supply of nutrients and a moderate CO2 system. Ideal for adding a touch of tropical and dynamic nature to any type of aquarium.
Phyllanthus fluitans , also known as Red Root Floater , is a floating plant native to South America. It is particularly popular for its heart-shaped leaves , which take on a reddish hue under intense lighting . Easy to maintain, it grows quickly and creates a spectacular surface effect while providing ideal shade for fish such as bettas. Its red roots and white flowers add a natural and original touch to any aquarium.
Riccia fluitans , also known as the water lily , is a highly versatile aquatic moss. Popularized by aquascaping master Takashi Amano , it can be used floating or attached to roots and rocks to create beautiful underwater landscapes. Easy to maintain, it forms oxygen bubbles when healthy and provides an excellent refuge for fish and shrimp. Whether you are an aquascaper or a beginner, this plant will enhance your aquarium.
Sagittaria subulata is a robust and easy-to-grow aquatic plant, perfect for planted aquariums. Adaptable and undemanding, it forms attractive green carpets in the foreground and can sometimes surprise visitors by developing taller stems with small white flowers. Thanks to its rapid growth, it adds structure to the aquarium and provides natural hiding places for fish and shrimp.
Hygrophila pinnatifida is a unique aquatic plant distinguished by its copper, green, and burgundy foliage. Perfect for decorating the background of an aquarium, it clings naturally to roots and rocks, creating a natural and lush setting. With moderate growth , it remains compact if regularly pruned and provided with good lighting . It is ideal for aquarists of all levels, from beginners to experts wishing to perfect an elegant and refined aquatic landscape.
Rotala indica 'Bonsai' is an elegant and compact aquatic plant, perfect for adding volume and depth to an aquarium. With its small, rounded leaves and moderate growth, it is reminiscent of a miniature Bacopa caroliniana . Placed in groups and pruned regularly, it forms a dense and harmonious bush. Under intense light , its tips take on a reddish tint, providing a beautiful variation of color. This easy-to-maintain plant is ideal for the second or background of an aquarium and adapts equally well to classic aquariums and sophisticated aquascapes.
Helanthium tenellum 'Green' is a grassy plant ideal for creating a natural, dense carpet in a freshwater aquarium. Unlike the classic variety, this 'Green' version retains a vibrant green hue, even under strong lighting . It forms a compact and attractive plant carpet thanks to its numerous branches. Easy to maintain, it does not require complex care and grows slowly, thus limiting the need for pruning. For optimal development, a CO2 system and nutrient- rich soil are recommended. Whether for a nano aquarium or a large tank, this plant elegantly enhances the foreground.
Pogostemon helferi , also known as “little star” in Thailand, is an aquarium plant as beautiful as it is original. With its bright green , star-shaped, curly leaves, it creates a superb plant carpet on the aquarium floor. Grown in vitro, it is delivered without parasites or algae, and is ready to be divided and planted directly. Its compact size (between 5 and 10 cm) makes it perfect for the foreground. But be careful, this little marvel has its requirements: powerful lighting , a supply of CO2 , a good current and a supply of nutrients are essential for it to flourish. When properly established, it forms a dense and structured vegetation, which looks great in your tank.
Heteranthera zosterifolia , also known as Stargrass, is a beautiful aquatic plant native to South America, famous for its rapid growth and dense, star-shaped foliage. Perfect for enhancing the background of aquariums, it easily creates a lush, bushy effect. This plant can reach between 30 and 50 cm in height and has the advantage of producing pretty little blue flowers if it reaches the surface in an open aquarium. Easy to propagate by cuttings, it appreciates bright light, a regular supply of nutrients and a moderate CO2 system. Ideal for adding a touch of tropical and dynamic nature to any type of aquarium.
What they think about it
(and they are right...)
Nicolas M.
- (Translated review)
Patrick L.
Received the bonsai version instead of the h'ra version. Impossible to have a real opinion as a result... (Translated review)