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)
Maintenance For Your Tank fresh water is a 100% natural product based on beneficial bacteria, it will quickly find, break down and eliminate waste. This 30-day program will guide you through the stages of biological balance in your aquarium. This program was developed in collaboration with Dr. Tim Hovanec, world specialist in nitrifying bacteria.
Order it before
15:00 Monday
and receive it
on
Tuesday, February 17, 2026
with
Chronopost - Livraison express à domicile
Keeping a clean and healthy aquarium can be a challenge, but with the Maintain Your Tank program, simple action a few times a month can be the first step.
Overfeeding is often the reason why a lot of time has to be spent cleaning the filter, fighting algae and constantly getting rid of filter elements.
Even with good maintenance and regular water changes, sludge and waste remains in the aquarium in hard to reach and hard to see places, and is dissolved in the water.
Maintain Your Tank, a 100% natural product made with beneficial bacteria, works to quickly find, break down and eliminate this waste.
It also contains probiotic bacteria to help reduce the number of bad bacteria in your aquarium and to restore and maintain a clean, balanced and healthy aquarium. This 30-day program will guide you through the stages of biological balance in your aquarium.
The day you start the program will be the first vial and then you will be guided through the vials to achieve great results.


Algae Control Marine fresh water is a 100% natural product combining a range of bacteria that will repel cyano and algae . Just follow the daily schedule to restore all the nutrients to your aquarium. This program was developed in collaboration with Dr. Tim Hovanec, world specialist in nitrifying bacteria.
This analysis kit from the SALIFERT brand allows you to measure the Kh of your seawater with precision. Allows you to take 100 to 200 measurements.
Intended entirely for the reef aquarium where maintaining a pH of 8.3 is often difficult. Used as prescribed, Reef Buffer will raise the pH of the system to 8.3 without the risk of accidentally raising the pH to an unsafe level.
Aqua Nova 10cm landing net for aquarium ideal for fishing your fish and other animals.
JBL Testlab ProScape is a case containing 9 water tests to analyze the water in your planted aquarium: Fe, NO3, PO4 Sensitiv, CO2 Direct, Mg Fresh Water, KH, K Fresh Water, SIO2 and pH 6.0-7 ,6.
Angled scissors are ideal for removing leaves from the aquarium. Cut the leaves as much as possible at the base. Practical handling: 27 mm grip holes for strong fingers, fatigue-free work thanks to the lightness of the scissors: 62.5 g. Length: 30cm.
Tool SP straight 30cm from JBL, this spatula is used to keep the bottom of the aquarium clean . Practical handling: very light for fatigue-free work (78.6 g). Length: 30cm
JBL ProClean Bac is a bacterial denitrification and purification concentrate for the natural cleaning of freshwater aquariums 60-200L . Disposable bulb of 50 ml. Improve filtration quality by forming colonies on filter media.
The Start Up Your Tank Marine program is designed to balance the environment of your marine aquarium while enjoying your fish after 2 days. This 30-day program will guide you through the stages of biological balance in your aquarium. This program was developed in collaboration with Dr. Tim Hovanec, world specialist in nitrifying bacteria.
The Start Up Your Tank Fresh program is designed to balance the environment of your freshwater aquarium while enjoying your fish after 2 days. This 30-day program will guide you through the stages of biological balance in your aquarium. This program was developed in collaboration with Dr. Tim Hovanec, world specialist in nitrifying bacteria.
Waste-Away Gels continuously release good bacteria into aquarium water. These good bacteria consume nitrates , phosphates and organic waste while keeping the aquarium cleaner and the water clearer. The gels last up to 30 days and will change colors to indicate they need to be replaced.
This small version is recommended for freshwater aquariums from 10 to 50 litres.
JBL StarterKit is a kit containing a water conditioner to remove harmful substances from tap water and an activator that provides useful bacteria that will degrade water pollutants. One kit for 10 to 60 l of aquarium water .
Acto Elixier FB7 from Dennerle is a Efficient mixed culture of selected, live filter bacteria for rapid biological filtration. In particular, it degrades fish droppings and food and plant remains. 15ml allows the treatment of 600 liters.
Blue Life's Green Cyano Rx quickly and effectively treats pathogenic cyano-bacteria found in the rocks, plants, gravel and sand of your freshwater aquarium without harming its inhabitants , including beneficial bacteria, when it is used in accordance with the instructions. Unlike other products, GreenCyano Rx will not discolor your aquarium water . With 4 grams, you will be able to treat 1514 liters of water in your aquarium .
Aquarium Systems One & Only Treatment – 24x10ml is the ideal solution for starting or restarting an aquarium without stress. This concentrate of live nitrifying bacteria instantly creates a biological balance, allowing the aquarium to function from day one. It eliminates ammonia and nitrites, ensuring a safe environment for fish, corals, plants and invertebrates. Chemical-free, odorless, 100% natural and compatible with both freshwater and saltwater aquariums, it is perfect for start-ups, acclimation or recovery after treatment. Thanks to its 24 ready-to-use ampoules , One & Only saves you valuable time while protecting your aquatic population.
What they think about it
(and they are right...)
Alain H.
this product is for bacterial maintenance and it works very well, no acid build-up and the bottom of my aquarium is always clean. (Translated review)