Water treatment reducing the frequency of water changes in the goldfish and cold water aquarium. This product by its reliable stabilization of the pH and KH values, reduces the deterioration of the quality of the water, which avoids for the fish, any risk of acidosis.
Aquamaker is a powerful, fast-acting water conditioner . It makes aggressive tap water ready for use in all freshwater and saltwater aquariums. In addition, AquaMaker is suitable for reef aquariums and garden ponds . It is also perfectly safe for all fish, plants, corals, shrimps, snails, as well as for the biofilter.
Aquamaker is a powerful, fast-acting water conditioner . It makes aggressive tap water ready for use in all freshwater and saltwater aquariums. In addition, AquaMaker is suitable for reef aquariums and garden ponds . It is also perfectly safe for all fish, plants, corals, shrimps, snails, as well as for the biofilter.
Aquamaker is a powerful, fast-acting water conditioner . It makes aggressive tap water ready for use in all freshwater and saltwater aquariums. In addition, AquaMaker is suitable for reef aquariums and garden ponds . It is also perfectly safe for all fish, plants, corals, shrimps, snails, as well as for the biofilter.
Aquamaker is a powerful, fast-acting water conditioner . It makes aggressive tap water ready for use in all freshwater and saltwater aquariums. In addition, AquaMaker is suitable for reef aquariums and garden ponds . It is also perfectly safe for all fish, plants, corals, shrimps, snails, as well as for the biofilter.
EasyStart is a filter activator thanks to a unique combination of highly active bacterial cultures . When starting up a freshwater or saltwater aquarium, the water must be cleaned and stabilized quickly to make it suitable for fish.
EasyStart is a filter activator thanks to a unique combination of highly active bacterial cultures . When starting up a freshwater or saltwater aquarium, the water must be cleaned and stabilized quickly to make it suitable for fish.
EasyStart is a filter activator thanks to a unique combination of highly active bacterial cultures . When starting up a freshwater or saltwater aquarium, the water must be cleaned and stabilized quickly to make it suitable for fish.
EasyStart is a filter activator thanks to a unique combination of highly active bacterial cultures . When starting up a freshwater or saltwater aquarium, the water must be cleaned and stabilized quickly to make it suitable for fish.
EasyStart is a filter activator thanks to a unique combination of highly active bacterial cultures . When starting up a freshwater or saltwater aquarium, the water must be cleaned and stabilized quickly to make it suitable for fish.
Catappa leaves in liquid form. Catappa leaves are added to aquarium water because of their beneficial action on fish and shrimp . Catappa-X is the effective liquid version of these sheets.
Catappa leaves in liquid form. Catappa leaves are added to aquarium water because of their beneficial action on fish and shrimp . Catappa-X is the effective liquid version of these sheets.
Catappa leaves in liquid form. Catappa leaves are added to aquarium water because of their beneficial action on fish and shrimp . Catappa-X is the effective liquid version of these sheets.
Catappa leaves in liquid form. Catappa leaves are added to aquarium water because of their beneficial action on fish and shrimp . Catappa-X is the effective liquid version of these sheets.
Easy-Life Filter Medium is the most versatile water conditioner on the market. It makes the water crystal clear . It is used as a water conditioner, maintenance product, stimulator (including plant growth), prophylactic product ( prevention of infections ).
Easy-Life Filter Medium is the most versatile water conditioner on the market. It makes the water crystal clear . It is used as a water conditioner, maintenance product, stimulator (including plant growth), prophylactic product ( prevention of infections ).
Easy-Life Filter Medium is the most versatile water conditioner on the market. It makes the water crystal clear . It is used as a water conditioner, maintenance product, stimulator (including plant growth), prophylactic product ( prevention of infections ).
Easy-Life Filter Medium is the most versatile water conditioner on the market. It makes the water crystal clear . It is used as a water conditioner, maintenance product, stimulator (including plant growth), prophylactic product ( prevention of infections ).
Easy-Life Filter Medium is the most versatile water conditioner on the market. It makes the water crystal clear . It is used as a water conditioner, maintenance product, stimulator (including plant growth), prophylactic product ( prevention of infections ).
PREIS minerals for discus provide all the minerals and trace elements necessary for osmosis water and fresh water for driving, in order to restore the balance and conditions adapted to the particular living conditions of discus fish.
PREIS minerals for discus provide all the minerals and trace elements necessary for osmosis water and fresh water for driving, in order to restore the balance and conditions adapted to the particular living conditions of discus fish.
Unique on the market and specifically designed for Betta lovers, Betta Spa is composed of almond leaf extracts and many other elements in a user-friendly format. Clean, easy, comprehensive and consistent. Wild almond leaf extract reproduces optimal conditions for bettas.
DENNERLE Aqua Elixir – Immediate-effect protective water conditioner
Essential for every water change, DENNERLE Aqua Elixir is a complete water conditioner for freshwater aquariums . Its formula works instantly to neutralize chlorine and bind toxic heavy metals such as copper and lead, often found in tap water. In addition to making the water safe, Aqua Elixir provides active protection for fish thanks to high-quality protective colloids that safeguard gills, mucous membranes, and fins. The addition of a natural Moringa leaf extract , known for its beneficial properties, enhances the comfort of your aquarium's inhabitants. A simple step for healthy and reassuring water.
Instantly neutralizes chlorine and harmful substances from tap water
Protects gills, mucous membranes and fins thanks to protective colloids
Formula enriched with natural Moringa leaf extract
DENNERLE Aqua Elixir – Large format water conditioner with immediate action
Designed for the regular maintenance of freshwater aquariums, DENNERLE Aqua Elixir in a 500ml bottle is a complete water conditioner that ensures safe water changes. Its formula works instantly to neutralize chlorine and bind heavy metals such as copper and lead present in tap water. At the same time, it actively protects fish thanks to high-quality protective colloids that safeguard gills, mucous membranes, and fins. The addition of a natural Moringa leaf extract , renowned for its beneficial properties, improves the comfort of aquarium inhabitants. An essential for healthy, stable, and reassuring water every day.
Instantly neutralizes chlorine and heavy metals from tap water
Provides long-lasting protection for the gills, mucous membranes, and fins of fish.
Large, economical size for regular aquarium maintenance
DENNERLE Clear Water Elixir – Fast and long-lasting crystal-clear water
When water loses its clarity, DENNERLE Clear Water Elixir offers a simple and effective solution. This liquid filter material works quickly to improve the water quality of freshwater aquariums . Its ultra-fine mineral particles capture cloudy substances , dyes, unpleasant odors, and many pollutants such as ammonium , heavy metals , and drug residues . In just a few hours, the water becomes visibly clearer, and the aquarium regains its brilliance. Fish thrive in a healthier, more stable, and more pleasant environment. A real boost for your aquarium, to be used as needed.
Quickly eliminates cloudy particles and invisible pollutants
It sustainably improves water clarity and quality
Promotes a healthy environment for more vibrant fish.
DENNERLE Clear Water Elixir – Long-lasting crystal-clear water in a large format
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.
Quickly clarifies water and removes invisible pollutants
It sustainably improves the water quality of the aquarium.
Large, practical size for medium to large aquariums
DENNERLE Humin Elixir 250 ml – Natural water and preserved biotope
DENNERLE Humin Elixir 250ml is a powerful concentrate of tropical humic substances and fulvic acids, enriched with Indian almond leaf extract. It recreates an aquatic environment close to their natural habitat, perfect for fish and shrimp sensitive to blackwater. By inhibiting harmful germs and preventing disease, it promotes the health and vitality of your aquarium inhabitants. Ideal for breeding and raising fish, this elixir helps maintain stable conditions while respecting the biotope, without unsightly coloring the water. Your fish will feel safe and thriving.
Recreates a natural biotope ideal for fish and shrimp sensitive to blackwater
Prevents illness and reduces stress thanks to a blend of humic and fulvic acids
Facilitates the acclimatization, rearing and reproduction of delicate tropical species
DENNERLE Humin Elixir 500 ml – Humic substances for a healthy aquarium
DENNERLE Humin Elixir 500 ml is a unique concentrate of tropical humic substances and fulvic acids that recreates the natural water habitats of fish and shrimp. Based on almond leaf extract, it promotes biological balance by inhibiting harmful germs and reducing stress for aquarium inhabitants. Ideal for breeding and raising, it ensures near-natural water conditions without unsightly discoloration. Each use contributes to more resilient, healthy fish and invertebrates, perfectly adapted to their environment.
Recreates a natural biotope for fish and shrimp sensitive to blackwater
Inhibits harmful germs and reduces stress for a healthier aquarium
Promotes the breeding, reproduction and acclimatization of delicate tropical species
Dennerle Catappa Leaves are ripe, dried leaves of the Terminalia catappa badamier. They contain many active ingredients that have a positive influence on water and fish.
Prodibio Chloral Reset Pro10 is a water conditioner that transforms tap water into water suitable for living organisms (fish, plants, corals, etc.) populating the aquarium (freshwater or seawater).
XTreme 118ml is a specially developed water purifier for all marine and freshwater aquariums . XTreme prevents a dangerous increase in ammonium / ammonia and nitrites, removes chlorine / chloroamines and heavy metals and protects the mucous membranes and gills of your fish.
XTreme is a specially developed water purifier for all marine and freshwater aquariums . XTreme prevents a dangerous increase in ammonium / ammonia and nitrites, removes chlorine / chloroamines and heavy metals and protects the mucous membranes and gills of your fish.
XTreme 473ml is a water purifier specially developed for all marine and freshwater aquariums . XTreme prevents a dangerous increase in ammonium / ammonia and nitrites, removes chlorine / chloroamines and heavy metals and protects the mucous membranes and gills of your fish.
Baktopur 50ml is a water conditioner for use in fresh water to treat typical bacterial diseases , such as Columnaris , fin rot, gill rot as well as infections with Aeromonas or Pseudomonas bacteria.
Baktopur 100ml is a water conditioner for use in fresh water to treat typical bacterial diseases , such as Columnaris , fin rot, gill rot as well as infections with Aeromonas or Pseudomonas bacteria.
Prime 500ml is a concentrated and comprehensive conditioning agent for use in fresh and salt water. Prime® removes chlorine, chloramine, and detoxifies ammonia.
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 .
Dennerle Catappa Leaves are ripe, dried leaves of the Terminalia catappa badamier. They contain many active ingredients that have a positive influence on water and fish. They are an excellent food supplement for window-washing catfish (Ancistrus species, for example) and shrimp.
Instant Cichlid is a salt specially designed for the well-being and reproduction of cichlids from the great African lakes tanganyika, malawi and victoria.
Prime 250ml is a concentrated and comprehensive conditioning agent for use in fresh and salt water. Prime® removes chlorine, chloramine, and detoxifies ammonia.
All in One! Elixier 100ml from Dennerle is ideal for the start-up phase of the aquarium , easy maintenance for all aquariums, ideal for amateur beginners with 54 L / 60 cm. With 12 carefully selected and combined active complexes.
DENNERLE All in One Elixir 250 ml – complete aquarium balance
DENNERLE All in One Elixir 250ml is the ideal solution for maintaining a healthy, stable, and beautiful freshwater aquarium. Designed to simplify maintenance, this comprehensive treatment acts on the water, plants, fish, shrimp, and filter in one easy step. Its formula is based on 12 perfectly balanced active complexes including carbon, iron, essential nutrients, vitamins, and trace elements. The result: greener plants, more vibrant colors, and crystal-clear water . Easy to use, just one weekly dose is all it takes to see visible results in a few weeks , without any hassle.
Simplify aquarium maintenance with an effective all-in-one solution.
Visibly improves plant vitality and fish shine.
Quick weekly use, ideal for beginners and enthusiasts.
DENNERLE All in One Elixir 500 ml – all-in-one solution for a balanced aquarium
DENNERLE All in One Elixir 500ml is for those who want a beautiful, stable, and easy-to-maintain freshwater aquarium without the need for multiple products. This complete formula works in a single application on the water, plants, fish, shrimp, and filter . Thanks to its 12 perfectly dosed active complexes , it provides carbon, essential nutrients, vitamins, and trace elements vital to a healthy ecosystem. Plants become greener, fish display more vibrant colors, and the water stays clear longer. Its 500ml size is ideal for medium to large aquariums, with visible results in just a few weeks and simple, once-a-week application.
One single product for water, plants, fish and filter.
Quickly improves water clarity and aquarium vitality.
Economical 500ml format for regular and long-lasting maintenance.
Gioia Shrimp Catappa leaves are a natural water conditioner. Helps prevent bacterial and fungal infections of your shrimp. In addition to being a natural conditioner, they are also a natural food supplement appreciated by shrimps.
Optima from Esha is a unique combination of trace elements, minerals and vitamins that tap water lacks. These ingredients help recreate the natural tropical environment your fish deserve. Your fish will thrive and you will see the results.
Chloral Reset Nano by Prodibio is a water conditioner that transforms tap water into water suitable for living organisms (fish, plants, corals, etc.) inhabiting the aquarium (freshwater or seawater).
Aqua conditioner chlor-off from ADA neutralizes chlorine in tap water and is suitable for use in freshwater aquariums. This avoids the risk of water changes , even in winter when the chlorine level in the water increases.
Aqua conditioner clear water from ADA , the water conditioner eliminates phosphates and suspended solids in the water for clear water. The water becomes transparent and algae growth is reduced. 1 ml per 10 liters of aquarium water per week .
Aqua conditioner vita mix from ADA is a water conditioner for freshwater aquariums that provides fish with vitamins and reduces fish stress. For each water change, add one pressure (about 1 ml) per 10 liters of tap water.
Aqua conditioner soft water by ADA , alkaline water with high pH or high carbonate hardness (KH) inhibits the growth of aquatic plants . Adjusts water quality to slightly acidic . Suitable for tropical fish and aquatic plants that prefer slightly acidic water.
Alder Cones from Gioia Shrimp is a natural water conditioner for your shrimp. While keeping its decorative appearance, the cones prevent bacterial and fungal infections.
Water conditioner for freshwater aquariums, Biotopol neutralizes harmful substances in tap water, adds natural substances to it; protects mucous membranes, gills, skin and fins thanks to aloe vera, which acts against heavy metals. Protects against stress and reduces the risk of disease thanks to a vitamin B complex; chelators coat heavy metals, aggressive substances are removed from the water at the next partial water change.
SEACHEM - Axolotl Conditioner 250ml: Tap water safe for axolotls
SEACHEM Axolotl Conditioner 250ml is the essential product for transforming tap water into a healthy environment for your axolotls. This ultra-concentrated conditioner effectively removes chlorine, chloramines and detoxifies ammonia , making it perfect for tank start-ups or water changes. In addition, it also works against nitrites, nitrates and heavy metals often present in tap water . Thanks to its non-acidic formula, it does not alter the pH, which avoids many worries. Designed specifically for the specific biological needs of axolotls, this treatment is a guarantee of safety for their daily well-being.
Neutralizes ammonia, chlorine and chloramines in moments
Safe, concentrated, and tailored to the needs of axolotls
SEACHEM - Axolotl Buffer 250 ml – The perfect pH ally for your axolotls
SEACHEM - Axolotl Buffer™ is the simple and reliable solution to stabilize the aquarium pH at an ideal level for your axolotls. This product adjusts the pH between 7.4 and 7.6 , a perfect zone for their well-being, whether your water is too acidic or too basic. In addition to regulating the pH, it softens the water by precipitating calcium and magnesium. It is safe for all axolotls , even the youngest, and combines very well with Axolotl Conditioner™ for optimal water. Easy to dose, without annoying side effects, it is the product to always have on hand to maintain a stable and healthy balance in your tank.
SEACHEM - Fresh Trace 250 ml – The mineral boost for your freshwater fish
SEACHEM - Fresh Trace™ is a supplement designed to provide freshwater fish with all the essential trace elements they need to grow in good health. Unlike other supplements, it contains only the elements proven to be necessary for fish health, such as calcium, magnesium, iodine, iron and zinc. These essential nutrients are naturally depleted in the water over time, hence the importance of renewing them regularly . Thanks to its ultra-complete formula, Fresh Trace™ promotes the growth, vitality and resistance of your fish, without unnecessarily overloading the water. Simple to use, effective, and completely safe, it's the little extra that makes a real difference in your aquarium.
Provides trace elements essential for fish health
Promotes growth, color and immunity naturally
Pure formula, without superfluous components or unnecessary additives
SEACHEM - Brackish Salt 300g – The perfect salt for ovoviviparous fish and planted tanks
SEACHEM - Brackish Salt™ is a unique blend of salts specially designed to recreate the natural environment of ovoviviparous fish and species living in brackish water. Unlike conventional salts based on sodium chloride, it is safe for aquatic plants and provides essential elements for their growth. Thanks to its intelligent formulation, it can be used for both specific aquariums and freshwater community tanks . It allows you to adjust the salinity level precisely according to the geographical origin of the species you keep. Simple to use, formidable effectiveness, it is the salt that ticks all the boxes.
AQUARIUM SYSTEMS – AquaCleanse – Instantly neutralizes chlorine and heavy metals
With AquaCleanse – 24x10 ml from Aquarium Systems, you can give your aquarium clean, safe water that is perfectly suited to aquatic life. This highly effective treatment immediately neutralizes chlorine, chloramine, and heavy metals present in tap water. It creates a healthy environment, reduces fish stress, and prevents the development of diseases linked to poor water quality. Ideal for regular water changes or when setting up a new tank, AquaCleanse protects the entire ecosystem in a single step. Easy to use and compatible with all types of aquariums , it is an essential reflex to guarantee the well-being of your residents.
Removes chlorine, chloramine and heavy metals in seconds
Reduces fish stress and protects their long-term health
TROPICA - Water Conditioner 125 ml: instantly safe tap water
TROPICA Water Conditioner 125 ml is the essential companion for all aquarists who use tap water. In the blink of an eye, it neutralizes chlorine and blocks heavy metals such as mercury, lead or copper, to provide a healthy environment for your fish, shrimp and plants. A few drops are enough for each water change to avoid irritation, mortality or stress in your residents. Simple to dose, safe for the entire ecosystem of the tank , this conditioner is an essential to keep on hand for all freshwater aquariums. Convenient 125 ml format, perfect for regular use in tanks of all sizes.
Instantly protects fish, plants and shrimp during water changes.
Neutralizes chlorine and blocks harmful heavy metals like lead and copper.
Ultra-simple dosage: 10 to 12 ml per 100 liters of new water.
3 in stock
Water conditioners
Why use water conditioners?
Freshwater aquarium water conditioners
Water conditionersallow the launch of an aquarium , both seawater and freshwater, and can also be used once the aquarium has been set up (during water changes for example).
Indeed, some water conditioners already contain the bacteria necessary to start an aquarium.
Other conditioners are dedicated to eliminating harmful substances for your fish or your aquatic plants, such as ammonia or chlorine.
Water conditioners also maketap water usable in aquariums by purifying it .
Finally, some have a de-stressing effect on fish and protect their fins, gills and mucous membranes against infections .
Discover a wide choice of water conditioner at low prices at Zoanthus.fr , official supplier of the brands: