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)
PRODIBIO BioDigest 6 ampoules is a concentrated bacterial solution designed to help aquariums regain efficient biological filtration and visibly healthier water. Suitable for both freshwater and saltwater aquariums , this treatment utilizes several strains of live bacteria that work together to support the tank's natural cycle. It contributes to the digestion of organic waste, the reduction of undesirable compounds, and improved overall environmental stability. Highly useful for setting up a new aquarium, after an imbalance, or for regular maintenance, BioDigest helps limit nitrites, reduce nitrates and phosphates , and curb the proliferation of filamentous algae for a cleaner, more stable, and more pleasant aquarium to maintain.
BioDigest is based on a simple but remarkably effective principle: bringing directly into the aquarium carefully selected live bacterial strains To enhance biological filtration. In an aquarium, everything depends on balance. Leftover food, waste, decomposing organic matter, and nitrogen compounds accumulate rapidly if the biological system is not sufficiently active. This is precisely where BioDigest becomes so valuable.
Its concentrated formula contains nitrifying, denitrifying, and facultative bacteria that work synergistically. This synergistic action establishes or strengthens stable bacterial activity, capable of supporting the aquarium's daily needs. The product is suitable for both newly set up aquariums and established tanks experiencing instability, a nitrite spike, or simply a period when water quality needs improvement.
One of PRODIBIO BioDigest's major strengths is its ability to support the entire... nitrogen waste transformation cycle. In practice, the product supports the conversion of ammonia to nitrites, then nitrites to nitrates, before promoting the final transformation of nitrates into nitrogen. This gradual action is essential for maintaining a stable aquarium, especially in sensitive or heavily stocked tanks.
In parallel, the presence of numerous strains of heterotrophic bacteria facilitates the digestion of organic waste These substances come from fish waste, leftover food, and suspended matter. As a result, the water becomes clearer, the tank gets dirty less quickly, and the organic load is easier to manage. This is a real advantage for aquarists who want to maintain clean water without disrupting the natural balance of the system.
When an aquarium starts to go off track, the first signs are often easy to recognize: less clear water, increased organic deposits, rising nitrate and phosphate levels, and the appearance of unwanted algae. BioDigest helps to regain control of this type of situation. By supporting more efficient biological filtration, it helps to lower the organic pressure in the tank and to limit conditions favorable to the development of filamentous algae.
This product does not act as an instant miracle solution, but as a intelligent biological reinforcement which sustainably improves the natural functioning of the aquarium. This is what makes it particularly beneficial for regular maintenance. Used at the right frequency, it helps maintain more balanced water and a more comfortable environment for fish, invertebrates, and other tank inhabitants.

BioDigest easily finds its place in many situations. It is particularly appreciated during the starting an aquarium, because it helps to start biological filtration more quickly and under good conditions. It is also a relevant option after a nitrite spike, after a major cleaning, after significant work on the filter, or whenever a tank shows signs of biological stress.
Regular use of this product ensures optimal purification and helps maintain aquarium stability over time. This is especially beneficial in well-fed, heavily stocked tanks, or in setups where even minor fluctuations in water parameters can quickly become apparent. The product is also ideal for those looking to enhance their maintenance routine with a simple, clean, and easy-to-dose solution.
The logic behind using BioDigest is intentionally simple. The product is designed to work with high effectiveness for two weeks after it is added. This is why it is recommended to use it every 15 days. This rhythm allows for maintaining bacterial proportions favorable to water purification without unnecessarily overloading the system.
If needed, especially to speed up the purification of the tank, it is better to bring usage closer together rather than drastically increasing doses. This approach is more respectful of the aquarium's biological balance and allows for a more gradual intervention. The ampoule format is practical, clean, and quick to use, making the product very easy to integrate into a regular maintenance routine.
| How to use BioDigest ? | What volume ? | What dosage ? |
|---|---|---|
| Use regularly to maintain optimal biological filtration | 120 to 1,000 liters | 1 ampoule every 15 days |
| For large aquariums, adjust the number of bulbs to the total volume. | More than 1,000 liters | 1 ampoule per 1,000 litres every 15 days |
| To accelerate purification, increase intake without overdosing. | Depending on the volume of the container | Do not increase the dose, increase the frequency if necessary. |
With its convenient format and proven formula, PRODIBIO BioDigest 6 ampoules is a reliable choice for aquarists who want to improve water quality without complicating their routine. It's suitable for those starting a new tank as well as those looking to stabilize an existing one. Its main benefit is gently supporting natural biological processes, which are the key to a truly balanced aquarium.
For Zoanthus, this type of solution naturally finds its place among the essential maintenance products, because it helps keep the aquarium cleaner, more stable, and more pleasant to observe over the weeks. For the aquarist, it's a product that's easy to understand, simple to use, and above all, consistent with serious tank maintenance.
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.
Accurately tests the nitrate level of your seawater.
Allows you to take around 60 measurements.
Instructions in French
This SALIFERT brand analysis kit allows you to accurately measure the calcium level of your seawater. Allows you to take 50 to 100 measurements.
This SALIFERT brand analysis kit allows you to accurately measure the magnesium level of your seawater. Allows you to take around 50 measurements.
First element of the Balling method, calcium chloride allows the maintenance of the level of calcium ( Ca ) of the sea water in the application of the Balling method.
1kg of powder allows the preparation of 14 liters of solution. That's 0€57 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.
Food grade demineralization resin producing pure water with conductivity less than 1 µS . To be used as the last stage of reverse osmosis filters.
Packaged in resealable pouches for better storage.
Accurately tests the nitrite level of your seawater.
Allows you to take around 60 measurements.
Instructions in French
Sodium carbonate can be used for solution preparation and implementation of the Balling base carbonate method.
All the products in our range are prepared and packed 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.
Bio S from Aquaforest is a supplement containing bacteria, which create a favorable environment for the proliferation of strains of Nitrospirae and Nitrobacter .
Bio S 50 ml from Aquaforest is a supplement containing bacteria that create a favorable environment for the proliferation of strains of Nitrospirae and Nitrobacter .
Pro Bio S 50ml from Aquaforest is a supplement highly concentrated in probiotic bacteria . For the natural elimination of nitrates and phosphates.
Pro Bio S 10ml from Aquaforest is a supplement highly concentrated in probiotic bacteria. For the natural elimination of nitrates and phosphates.
Pro bio F 25g from Aquaforest is a culture medium for probiotic bacteria . This product improves water quality and helps clean the substrate.
An effective assistant for aquariums with bacterial film.
KORALLEN-ZUCHT cyano clean is a special strain of bacteria that competes with cyanobacteria .
A special strain of bacteria that competes with cyanobacteria.
What they think about it
(and they are right...)
Alain T.
Good product (Translated review)
Philippe p.
I used one bulb to start an aquarium and another for the algae. I'll see when I get back from vacation. (Translated review)
Amand-luc P.
Easy-to-use product (Translated review)
CATHERINE E.
As requested (Translated review)
Anthony M.
Fine (Translated review)
Florent f.
It's hard to assess bacteria, but if I use it regularly I don't have any problems. (Translated review)