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.
Analysis
Analysis / Tests
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
Basin Supplements
Basic elements
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)
Seawater Food
Fresh Water Food
Food Basin
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
Sand
Substrate for reactor
Sea Salts
Sands / Quartz / Substrates
Remineralizing
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)
Tunze decided in June 2025 to exclude us from their reseller list, a decision we don't particularly understand. This product is therefore no longer available from us, and we apologize for this.
Good news : we offer a wide selection of similar, equally effective items in our category: Osmolator for aquariums
As an alternative, we offer you the RED SEA - ReefATO+ 3 in 1 which offers good value for money.
Calcium and Strontium complex for balanced coral skeleton formation.
Prime Reef Flakes is a complete flake food rich in vitamins and proteins for marine and freshwater fish.
Solution 3 of trace elements concentrated in iodine and fluorine to be dosed directly into your Balling preparations. The range of trace elements from Zoanthus.fr allows a balanced supply of all the important elements present in natural sea water.
Solution 2 of trace elements concentrated in heavy metals to be dosed directly into your Balling preparations. The range of trace elements from Zoanthus.fr allows a balanced supply of all the important elements present in natural sea water.
3 way "y" connector for standard 4/6mm tube.
Solution 1 of trace elements concentrated in strontium and barium to be dosed directly into your Balling preparations. The range of trace elements from Zoanthus.fr allows a balanced supply of all the important elements present in natural sea water.
Tropic Marin ® A-ELEMENTS is an anionic and cationic trace element supplement for saltwater aquariums. Tropic Marin ® A-ELEMENTS contains bromine , fluorine , iodine , lithium , vanadium , molybdenum and selenium in a purely mineral form .
Refill System 2.0 is an osmolator with 3 float sensors for efficient and safe filling of evaporated aquarium water.
Thanks to the Smart ASOV , no more flooding due to overflow of the reverse osmosis water tank. Smart ASOV stops the osmosis unit in time thanks to a sensor and will avoid any unpleasant surprises!
The Auto Aqua - Smart ATO RO G2 is a solution designed to automate the filling of a reverse osmosis (RO) or RO/DI water reservoir without stress or constant monitoring. Compact, clever, and truly practical for everyday use, it prevents forgetting to shut off the RO system, resulting in smoother operation and a significantly reduced risk of flooding. Thanks to its dual optical sensors , solenoid valve , float valve kit , and integrated safety features, it effectively protects against overfilling. It also helps limit TDS creep by promoting longer cycles, contributing to cleaner aquarium water while preserving the resin. A truly convenient solution for keeping RO water always available.
Red Sea 's ReefATO+ 3 in 1 is not only a connected osmolator, it is also equipped with a temperature sensor and a leak detector.
Small water pump for the Auto Aqua Smart ATO or other device with 12 volt pump.
Red Sea 's ReefATO+ upgrade Kit is not only a connected osmolator, it is also equipped with a temperature sensor and a leak detector.
This upgrade Kit can only be used on Reefer aquariums, it is sold without a leak detector and without a magnetic support.
DC solenoid valve for reverse osmosis or Smart ASOV from Auto Aqua .
The Refill System easy 2.0 is the ideal solution for automatically managing water evaporation in your aquarium without any hassle. Easy to install, reliable, and intelligent, this system continuously monitors the water level thanks to a capacitive sensor with magnetic support . It automatically activates the refill pump as soon as the level drops, and protects the system against prolonged dry runs . A universal support is included for flexible installation on most tanks . Secure 12 V power supply, transformer provided. In short, install, start, and forget about evaporation. Ideal for maintaining a stable water level, without stress or unnecessary tinkering.
What they think about it
(and they are right...)
Cedric C.
Really great beautiful quality and easy to install. To see over time but with 5 years warranty it shouldn't be a problem (Translated review)