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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)
Echinodorus 'Reni' is a real gem for your aquarium. This compact cultivar is attractive for its controlled size and leaves in shades ranging from saffron red to beetroot red . It is one of the lowest growing red Echinodorus, perfect for tanks of all sizes. Its moderate growth and resistance make it an ally of choice for beginners and experienced aquarists. It thrives even without the addition of a CO2 system , and simply requires moderate light and a little nutrients to reveal its full potential. Versatile and easy to maintain, it can be planted in the background or in the background to create a lively and structured decor.

With the Echinodorus 'Reni' , we are dealing with a revisited classic: an Echinodorus, yes, but compact and with fiery colors. This variety developed in cultivation seduces with its large and wavy leaves , oscillating between orange-red and deep burgundy, depending on the light intensity and the nutrients available. It measures between 15 and 40 cm in height, with a wingspan of 15 to 25 cm - generous enough to structure a decor without invading the entire aquarium.
This cultivar is perfect for tanks from 60 liters , and adapts equally well to nano aquariums as to large volumes. It is readily placed in the background to create depth, while offering shade and security areas for more discreet fauna. It is also an excellent plant for slightly timid fish who love to shelter there.

Good news: you don't need high-end equipment to enjoy this beautiful plant. Echinodorus 'Reni' grows without CO2 and thrives in moderate lighting . It simply needs a rich substrate , such as nutrient substrate , and regular nutrient feeding to maintain its vibrant colors. It's an ideal plant for beginners , low-tech tanks, or those who want to simplify their life without sacrificing style.
Its growth is moderate: it won't invade your home overnight, but it settles in slowly and becomes more beautiful over time. In addition, it is a very resistant plant : it tolerates variations in temperature and water quality well, as long as the environment remains generally stable. A good filter and regular filter cleaning are enough to keep it in top shape.
Before planting, remember to remove the rock wool from around the roots. Then, gently separate the stems and bury them in your substrate, taking care not to bury the heart of the rosette. Since the roots can be long, allow a little depth, especially if you place it in aquarium sand or light soil. It will root quickly and you will see its leaves grow in height within a few weeks.
In short, the Echinodorus 'Reni' is a versatile, aesthetically pleasing, and undemanding plant. It offers an excellent compromise between beauty, ease of maintenance, and adaptability to all aquarium styles. With its flamboyant foliage and generous shape, it's a real asset for boosting the look of your tank while maintaining simple maintenance.
AlgExit is a safe and effective product for controlling the vast majority of algae species in the freshwater aquarium . It actively fights against algae, including beard, brush and string algae.
Easy-Life 25 Root Sticks are ideal for feeding plants directly at the root . The product contains 25 special clay sticks which are very nutritious and have a high iron content.
UVC Lamp G23 from Aquarium Systems is a 5 watt UV-C bulb with a G23 base , dedicated to pond sterilizers, aquariums or other. The dimension of the bulb is 85 mm.
The third element of the Balling method, this "salt-free salt" is a mixture of all the mineral salts present in natural seawater , except sodium chloride NaCl. It allows the maintenance of the ionic balance in the application of the Balling method.
3kg of powder allows the preparation of 125 liters of solution. Or 0€31 per litre!
High purity chemical products compliant with the European Pharmacopoeia prepared and packaged on site in our warehouse.
Products are now packaged in resealable pouches for less breakage during transport. They are also more ecological with 80% less plastic compared to our old packaging.
Second element of the Balling method, sodium hydrogen carbonate allows the maintenance of the carbon hardness (Kh) of seawater in the application of the Balling method.
3kg of powder allows the preparation of 36 liters of solution. That's 0€33 per litre!
High purity chemical products compliant with the European Pharmacopoeia prepared and packaged on site in our warehouse.
Products are now packaged in resealable pouches for less breakage during transport. They are also more ecological with 80% less plastic compared to our old packaging.
7.5cm landing net for aquarium ideal for fishing your fish and other animals - 1.8mm mesh
Reagents for seawater calcium (HI 758), 25 tests.
Denitrol 100ml from JBL is a bacterial activator for introducing fish into freshwater and saltwater aquariums . Thanks to Denitrol, you will get adequate water for your fish and plants . Suitable for freshwater and saltwater aquariums, water turtles and shrimps.
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.
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.
Hottonia palustris , or Marsh Hottonia, is an aquarium plant with light and very graphic foliage . Native to Europe and Asia, it is perfect for creating a soft transition between low and tall plants. With its bright light green stems and finely cut leaves, it immediately brings a natural and airy effect to the decor. Undemanding, it grows slowly but surely, and its maintenance remains easy even for beginners. It can reach up to 30 cm in height and is ideally placed in the middle or background zone in nano tanks. It grows well without CO2, although a small contribution can boost its density. A beautiful plant, discreet but full of charm.
What they think about it
(and they are right...)
Mélissa P.
Good (Translated review)