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
Freshwater Equipment
Basin Equipment
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
Sera KH/pH-plus reduces the KH precisely and permanently to the desired value. The pH value is also safely reduced and stabilized.
Order it before
15:00 Wednesday
and receive it
on
Thursday, November 13, 2025
with
Chronopost - Livraison express à domicile
Carbonate hardness (KH) is one of the most important parameters of aquarium water.
Many freshwater aquarium fish prefer relatively hard water. In addition, KH has a buffering effect which prevents dangerous changes in the pH value (eg pH drop).
This is why, as a general rule, for community aquariums it is necessary to maintain a KH value of at least 6° dKH (x 1.78 = TAC French value) (much higher for special cases, such as cichlids Africans). In this way, the well-being of the fish is ensured and the water turns out to be very resistant and easy to maintain.
sera KH/pH-plus increases the KH precisely and permanently to the desired value. The pH value is also safely increased and stabilized.
Natural mangrove roots of different shapes, origins and sizes (15 to 20cm) , for a "natural" and harmonious decoration of your aquarium!
The decorative root is a natural product, cleaned and/or sanded. Immersed in an aquarium, it can slightly color the water with its tannin (non-harmful amber tint).
JBL ProAquaTest NO2 is a quick test for determining the nitrite content of water in freshwater aquariums , saltwater and ponds . Allows you to do around 50 tests.
Sera KH/pH-plus increases the KH precisely and sustainably to the desired value. The pH value is also safely increased and stabilized.
100% natural product for all bacterial diseases. 237ml treats 4400 liters of water.
Provides effective chemical free treatment for bacterial diseases like bacterial dropsy, bulging eyes, fungus, ulcers, milky skin, mouth rot, tail rot, raised scales.
Oodinex 20ml is a special seawater treatment against Oodinium , cryptocarion (whiteheads), tissue degeneration.
Fish-V-Power is a tonic for freshwater and saltwater fish in aquariums. To be used regularly, as a treatment, after any illness or after the acquisition of new subjects, or to help young fish to develop well.
Set of 5 labels for marking the containers of your preparations: Calcium, KH, Salt without salt, Magnesium and Carbonate.
Photo: example of set up, cans sold separately.
To determine chlorine in aquarium water. For about 45 measures.
Water conditioner to lower the pH in freshwater aquariums.
Alkaline Buffer™ is a phosphate-free buffer solution designed to raise pH and alkalinity and control acidity with Acid Buffer™. Adjusts pH from 7.2 to 8.5.
Alkaline Buffer™ 1.2kg is a phosphate-free buffer solution designed to raise pH and alkalinity and control acidity with Acid Buffer™. Adjusts the pH from 7.2 to 8.5 .
Acid Buffer™ is a phosphate-free buffer for lowering pH and buffering with Alkaline Buffer™. Adjusts the pH from 5 to 8.
Acid Buffer™ is a phosphate-free buffer for lowering pH and buffering with Alkaline Buffer™. Adjusts the pH from 5 to 8.
Discus Buffer® is designed to replicate the natural environment of Discus (low pH and low GH (total hardness)). Discus Buffer® will lower the pH and keep it lower. It is packaged based on phosphates and is free of carbonates. It will also soften water by removing calcium, magnesium, and other divalent cations.
Discus Buffer® is designed to replicate the natural environment of Discus (low pH and low GH (total hardness)). Discus Buffer® will lower the pH and keep it lower. It is packaged based on phosphates and is free of carbonates. It will also soften water by removing calcium, magnesium, and other divalent cations.
SEACHEM Tanganyika Buffer (250g) helps improve the cichlid environment by increasing water hardness, buffer capacity and regulating pH between 9.0 and 9.4.
What they think about it
(and they are right...)
Cedric a.
Everything went well, thank you (Translated review)