Care

19 Products

Filter

Tetra GC Gravel Cleaner

Convenient, easy-to-use gravel cleaner available in three different sizes.

Product

Tetra Medica GeneralTonic Plus

Multi-purpose remedy designed to treat the most common freshwater ornamental fish diseases. Helps with bacterial infections and ectoparasitic diseases such as Costia or freshwater Oodinium.

Product

Tetra Medica ContraIck Plus

Remedy designed to treat white spot disease (Ichthyo) in freshwater ornamental fish. Also helps treat other skin and gill parasites such as Trichodina and Chilodonella.

Product

Tetra Test 7in1

Tetra Test 7in1 enables you to quickly and reliably determine the seven most important water values in your aquarium in three simple steps. Evaluate the level of pH, carbonate hardness (KH), general hardness (GH), nitrite (NO2-), nitrate (NO3-), chlorine (Cl2) and carbon dioxide (CO2).

Product

Tetra AquaSafe

Tetra AquaSafe makes tap water safe for fish and reliably protects fish and plants against harmful substances contained in the water. The optimised vitamin B mix reduces stress experienced by fish during water changes even more effectively and therefore creates the foundations for healthy life in an aquarium.

Product

Tetra EasyBalance

Tetra EasyBalance is a unique water care liquid that keeps your aquarium in balance with minimal effort. It stabilises the pH and carbonate hardness (KH) while reducing nitrate and phosphate in a biological way to extend cleaning intervals. At the same time, the product enriches the aquarium water with essential vitamins, trace elements and minerals that fish and plants need for a healthy life.

Product

Tetra CrystalWater

Tetra CrystalWater effectively and reliably eliminates clouding from aquarium water. Tetra's specially active ingredients bind small dirt particles in the water that can then be filtered out by your aquarium filter. Initial effects are visible after a couple of hours, with crystal-clear water achieved within 6 to 12 hours.

Product

Tetra NitrateMinus

Tetra NitrateMinus is designed to naturally and reliably reduce the algae nutrient nitrate (NO3-). This way, it promotes the water quality of your freshwater aquarium and combats algae growth.

Product

Tetra PhosphateMinus

Tetra PhosphateMinus is your reliable solution for effectively reducing excess phosphate (PO43-) levels in your aquarium. Excessive levels can lead to unwanted plant growth and negatively impact water quality. Therefore, maintaining a low PO43- value is essential for a thriving aquatic environment.

Product

Tetra Goldfish AquaSafe

Tetra Goldfish AquaSafe has been specially developed to make tap water safe for goldfish. The optimised vitamin mix helps to reduce stress during water changes, aquarium set-up or transport, supporting your goldfish’s long-term health and vitality. A natural plant extract protects the delicate gills and mucous membranes, while special care colloids provide targeted protection for fins to keep them strong and intact.

Product

Tetra FilterActive Bacteria

Tetra FilterActive keeps the filter biologically active and therefore reduces sludge and harmful substances. Its liquid formula contains a special blend of living starter bacteria and sludge removing cleaning bacteria that perfectly complement each other to maintain a stable aquatic ecosystem. 

Product

Tetra SafeStart Bacteria

Tetra SafeStart enables you to introduce tropical fish into a new aquarium straight away, without the usual running-in phase. Its unique mix of living bacteria creates a safe and biologically active environment, acting as a fast and effective “aquarium starter”. 

Product

Tetra Test pH

Maintaining the correct pH level consistently and over the long term is crucial for the health of ornamental fish, plants and microorganisms in your aquarium or ornamental pond. Tetra Test pH allows you to quickly and accurately measure the pH value of your water – one of the most important indicators of water quality.

Product

Tetra ActiveSubstrate

Tetra ActiveSubstrate is a natural substrate that provides an environment safe for plants and promotes lush, healthy plant growth. The large surface area and porous structure of the water-neutral clay granules offer the best possible conditions for your plants.

Product

Tetra CompleteSubstrate

Tetra CompleteSubstrate is a nutrient-rich substrate with long-term fertilisation for strong and resilient aquatic plants.

Product

Tetra CO2 Optimat Set

The Tetra CO2 Optimat Set is a ready-to-use solution for intensive CO2 fertilisation in your aquarium. It delivers up to 50 applications at the push of a button. By dosing twice daily, you stimulate vigorous photosynthesis and lush plant growth, which absorbs excess nutrients, naturally deters algae and raises oxygen levels for healthier fish.

Product

Tetra CO2 Optimat Refill

Tetra CO2 Optimat Refill is a replacement bottle for the Tetra CO2 Optimat Set. This easy ready-to-use solution provides intensive CO2 fertilisation in your aquarium. It delivers up to 50 applications. By dosing twice daily, you stimulate vigorous photosynthesis and lush plant growth, which absorbs excess nutrients, naturally deters algae and raises oxygen levels for healthier fish.

Product

Tetra Crypto

Tetra Crypto provides demanding aquatic plants with an effective and long-lasting supply of nutrients directly to the roots - for fast and healthy plant growth in a naturally balanced aquarium.

Product

Tetra PlantaMin

Tetra PlantaMin provides aquatic plants with an intensive supply of iron and other essential nutrients via the leaves. The depot-formula ensures an optimum supply and healthy plant growth for a period of up to 30 days.

Product

Filter

Product range

Features

Cancel

Find a nearby store
Search