Aquarium and pond equipment at the best prices!
For those passionate about aquariophily
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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
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)
Tropic Marin 's BIO-ACTIVE salt is a unique BIO-ACTIVE sea salt containing natural bioactive substances from the sea. They promote microbiological processes in the aquarium and thus stimulate the growth of animal populations, while protecting them.
Order it before
15:00 tomorrow
and receive it
between
on
Thursday, February 5, 2026
and
Friday, February 6, 2026
with
Livraison à domicile Predict
The only sea salt containing bio-active substances from the sea.
The unique BIO-ACTIVE sea salt contains natural bioactive substances from the sea. They promote microbiological processes in the aquarium and thus stimulate the growth of animal populations, while protecting them.
The colors of the corals are naturally bright and resplendent, the growth of their skeleton and the formation of new tissues are stimulated. These reserves contribute to the solidity of the corals and make them more resistant. Fish also benefit from the bioactive substances by developing an effective protection of the mucous membranes. The well-being of the fish is visible and manifests itself in an increase in mating and breeding activity.
Tropic Marin ® BIO-ACTIVE sea salt is suitable for both the beginner and the experienced aquarist. It allows you to create ideal conditions and an environment conducive to the flora and fauna of your tank.
| • | Contains all the main elements and trace elements plus natural bio-active substances from tropical seawater in their natural composition. |
| • | The 70 trace elements and mineral substances remain in solution in the form of natural complexes thanks to the bio-active substances. |
| • | Free of nitrates, phosphates and other unnatural additives. |
| • | Tropic Marin ® BIO-ACTIF is the ideal base for the maintenance of fish and corals, even the most fragile. |
To obtain a salinity of 32 to 35‰ (practical salinity unit), dissolve 35 ml of BIO-ACTIF per liter of water in a container while stirring. The specific gravity of the saline solution should be between 1.025 and 1.027 at a temperature of 25°C.
Attention: when measuring the salinity of freshly prepared sea salt with a hydrometer using BIO-ACTIVE salt, a salinity of about 10% below reality is measured. We recommend measuring the density using the Tropic Marin ® hydrometer.
The sea water thus obtained can be used as soon as the salt is completely dissolved. A slight turbidity of the sea water thus prepared is normal and shows that the bio-active substances achieve their effect.
Stable biological conditions for the maintenance of delicate marine organisms appear only a few weeks after the installation of a new aquarium and with water mixing and under lighting. A weekly partial water change with Tropic Marin ® BIO-ACTIF up to 10% helps to maintain the quality of the water in which your proteges will feel good.
Use the new dosage calculator for easy determination of the necessary amount of sea salt for your aquarium.
Tropic Marin ® PRO-REEF is the ideal basis for the maintenance of all reef organisms in the aquarium. Tropic Marin ® PRO-REEF sea salt is specially adapted to the particular maintenance conditions of a reef aquarium: The optimized concentration of calcium and magnesium promotes the growth of corals.
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.
This SALIFERT brand analysis kit allows you to accurately measure the calcium level of your seawater. Allows you to take 50 to 100 measurements.
Accurately tests the nitrate level of your seawater.
Allows you to take around 60 measurements.
Instructions in French
Reduces nitrates and phosphates. Limits the appearance of harmful algae, allows the control of zooxanthellae for optimal growth and coloration of corals.
Powder reagents for Phosphate Checker (HI 713), 25 tests.
Ref: HI713-25
ATI Labs - Manganese 150 ml is an ultra-pure solution specially formulated to correct manganese deficiencies in reef aquariums. This discreet but essential micro-element is directly involved in the photosynthesis of zooxanthellae and plays a role in the intensity of colors, particularly in SPS corals . A lack of manganese can result in dull hues, slowed growth or reduced vitality. This highly concentrated supplement allows for ultra-precise dosage, suitable for demanding aquarists or those using ICP tests. It is 100% produced and controlled in Germany by ATI , for impeccable purity and traceability.
Aquaforest Sea Salt 22kg for aquariums with fish, less demanding corals and invertebrates.
Aquaforest Reef Salt 22kg is an ideal salt for reef tanks loaded with hard corals.
Tropic Marin ® PRO-REEF is the ideal basis for the maintenance of all reef organisms in the aquarium. Tropic Marin ® PRO-REEF sea salt is specially adapted to the particular maintenance conditions of a reef aquarium: The optimized concentration of calcium and magnesium promotes the growth of corals.
Red Sea Salt is designed to provide exactly the same parameters as tropical reef water with a slightly higher level of alkalinity needed in a closed aquarium system. Red Sea Salt is ideal for fish and invertebrate tanks, or for low nutrient tanks where the enthusiast regularly adds all the individual elements.
Red Sea Salt is designed to provide exactly the same parameters as tropical reef water with a slightly higher level of alkalinity needed in a closed aquarium system. Red Sea Salt is ideal for fish and invertebrate tanks, or for low nutrient tanks where the enthusiast regularly adds all the individual elements.
Red Sea Salt is designed to provide exactly the same parameters as tropical reef water with a slightly higher level of alkalinity needed in a closed aquarium system. Red Sea Salt is ideal for fish and invertebrate tanks, or for low nutrient tanks where the enthusiast regularly adds all the individual elements.
Red Sea Coral Pro Salt is designed to provide biologically balanced high levels of the fundamental elements (calcium, magnesium and carbonates) necessary for accelerated and sustained growth of all corals .
Salt Coral Pro is ideal for reef aquariums , especially LPS and SPS corals and growing coral cuttings .
Red Sea Coral Pro Salt is designed to provide biologically balanced high levels of the fundamental elements (calcium, magnesium and carbonates) necessary for the accelerated and sustainable growth of all corals.
Salt Coral Pro is ideal for reef aquariums , especially LPS and SPS corals and growing coral cuttings .
What they think about it
(and they are right...)
Jeannin olivier S.
nickel (Translated review)
Guillaume F.
High-quality salt. Very stable (Translated review)
Jeannin olivier S.
very good product, with fewer water changes, the marine fish are in great shape. (Translated review)