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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)
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.

Heteranthera zosterifolia, or Stargrass, has thin, bright, star-shaped leaves that make it particularly attractive. It grows very quickly, making it an ideal plant for those looking to quickly add life to their aquarium. It thrives in intense light, essential for its health and lush appearance. With good lighting and a regular supply of liquid nutrients, it will be able to fully develop and reveal its full decorative potential.
Thanks to its ease of propagation, you simply need to cut off already rooted stems to replant elsewhere in the aquarium. This ability makes Stargrass particularly economical and easy to manage, even for beginners. It prefers a fine substrate but will easily adapt to simple aquarium sand. However, be careful not to space the plants too far apart so that they maintain a good density without disturbing each other.
In terms of water parameters, Heteranthera zosterifolia appreciates soft to medium soft water (GH between 1 and 6 ideally) and slightly acidic to neutral water (pH between 5.5 and 7.5). The addition of CO2 is strongly recommended to maintain its dense structure and prevent the plant from becoming fragile and stretched. On the other hand, it does not tolerate strong water currents well, so prefer gentle filtration or regular maintenance of your filter cleaning .
Finally, when the stargrass reaches the water's surface, it sometimes develops delicate blue flowers, adding a unique and natural touch to your aquarium. To encourage this bloom, an open aquarium is necessary.
Heteranthera zosterifolia requires regular pruning to maintain a dense and attractive appearance. Once it reaches the surface, it's recommended to shorten the stems to mid-height to encourage healthy, dense growth at the base. You can then replant the resulting cuttings to further enhance your aquatic decor. Regular maintenance will allow you to fully enjoy its magnificent, bright foliage while maintaining a beautiful harmony in your aquarium.

For optimal growth of Heteranthera zosterifolia, it is recommended to use a good CO2 system and intense lighting to meet its high energy needs. Regular feeding of liquid fertilizers will enrich the water with essential nutrients, ensuring rapid and healthy growth. Avoid hard or overly alkaline water, which can damage the leaves and make the plant fragile.
Respecting these few simple conditions will allow you to have a green aquarium full of vitality, worthy of the most beautiful natural aquatic landscapes.
Refill Bio from JBL is a refill kit for bio CO2 fertilization systems . 1 kit provides nutrients to plants from 30 to 80 liters for 40 days with carbon dioxide, the basic plant nutrient.
Microsorum pteropus 'Narrow' , also known as the narrow-leaved Java fern, is an ideal aquarium plant for beginners and aquascaping enthusiasts alike . It grows naturally attached to an aquarium root or rock , without the need for substrate, making it very easy to install. Its thin, elongated leaves offer a fluid and elegant movement in the water . It is not demanding: moderate light, no need for CO2, and a good ability to adapt to different parameters. In addition to being decorative, it also offers perfect hiding places for fish and shrimp . It is a plant that grows slowly but surely.
Glass thermometer to hang on the windows of the aquarium. Size L 18cm, diameter: 10.2mm. Max glass thickness: 8.2mm
Atvitol from JBL are multivitamin drops for freshwater and saltwater aquarium fish . Prevents deficiencies and strengthens the immune system of fish.
JBL ProHaru Universal allows you to glue decorations, windows, technical parts, seal leaks in the aquarium and terrarium. This glue can be used underwater and out of water.
When water becomes cloudy or dull, DENNERLE Clear Water Elixir offers a quick and visible solution. This liquid filter material is designed to effectively improve the water quality of freshwater aquariums . Thanks to its active mineral particles , it captures even the finest impurities, dyes, unpleasant odors, and numerous pollutants such as ammonium , heavy metals , and drug residues . Within a few hours, the water regains remarkable clarity, and the aquarium appears more vibrant. The 500 ml size is ideal for larger aquariums or regular maintenance, ensuring a healthy environment for thriving fish.
Siphon with pear for aquarium allowing the cleaning of your aquarium or to carry out your water changes easily. Length of 120cm.
Zeomix 1kg from Aquaforest is a mixture of specially selected zeolites. It can be used in saltwater and freshwater aquariums.
Utricularia graminifolia from Tropica is a bit of a UFO among aquarium plants. With its miniature grass look and surprising carnivorous properties, this in vitro plant is a sensation in the foreground. It forms a pretty, dense, light green carpet , all in finesse, which dresses the aquarium floor with a stunning naturalness. In addition to its ultra decorative appearance, it feeds on microorganisms thanks to its small invisible skins , a real plus in well-balanced tanks. It loves light, thrives in soft water and prefers a dry planting to root well. With a good CO2 system and a little patience, it becomes the number one visual asset of your aquascape.
Tropica 's Rotala wallichii is an exceptional stem plant for enthusiasts who love challenges... and rewards. With its finely cut foliage and spectacular pinkish-red color in good lighting, it transforms an aquarium background into a living tableau. It grows up to 30 cm tall and offers a magnificent contrast with surrounding green plants. Very decorative when planted in groups, it requires strong lighting and a well-established CO2 system . Soft, slightly acidic water and good nutrients are also essential to reveal its full potential. A true star for well-maintained tanks.
Blyxa japonica from Tropica is a unique aquarium plant. With its leaves shaped like soft strands that undulate in the current, it immediately gives a natural and lively look to the decor. Its dense habit and its olive green color that can turn red under strong light make it an ideal choice for the middle or background of the tank. Cultivated in vitro, it arrives without algae, snails, or pesticides , and integrates easily into aquascapes of all sizes, even nano. Moderately demanding, it appreciates intense lighting , a good substrate, and a CO2 system if possible. A plant that is both graphic and functional, perfect for adding movement and texture.
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.
What they think about it
(and they are right...)
Nicolas M.
- (Translated review)