Makes tap water safe for fish by immediately neutralising harmful substances.
Creates a biologically active environment to allow the fast introduction of fish into a newly set up aquarium.
Tetra FilterActive adds highly effective live bacteria and thus promotes permanent biological activity in the aquarium.
Reduces the number of water changes and stabilises important water values for up to 6 months.
Tetra Bactozym speeds up biological activity in the aquarium. Organic colloids naturally cover filter material and all surfaces with an invisible film to promote the colonisation of beneficial filter bacteria. This means that the first stock of fish can be added just 24 hours after setting up a new aquarium. Both water changes and filter maintenance can be performed without any serious loss of bioactivity.
Tetra CrystalWater cleans dirt particles from the aquarium water fast, safely and reliably. For crystal clear aquarium water.
Tetra NitrateMinus reduces the algae nutrient nitrate (NO3-) reliably and in a natural way.
Tetra Test 6in1
With Tetra Test 6in1, quickly test the aquarium water to ensure it is in top condition, and to help avoid any problems.
Tetra WaterTest Set
Water test set for the reliable and precise determination of five decisive water values.
Thanks to the special depot formula, the nutrients contained in Tetra PlantaMin stay available for plants over a period of 4 weeks. Iron, potassium, manganese and other essential trace elements provide a lush and healthy plant growth.
Root fertiliser tablets for lush, healthy aquatic plants.
Nutrient-rich substrate with long-term fertilisation. Activates strong and healthy plant growth.
Natural substrate which provides a plant-friendly soil climate and lush, healthy plant growth. The large surface and the porous structure of the water neutral clay granules offer several advantages compared to conventional gravel.
Tetra InitialSticks provides nutrient-rich ground resulting in magnificent, strong aquarium plants.
Combats effectively all types of algae. For prevention and fast action.
Tetra Medica FungiStop
Tetra Medica FungiStop is highly effective against fungal attacks, external bacterial infections and wounds
Tetra Medica ContraIck
Tetra Medica ContraIck is highly-effective against white spot disease and skin and gill parasites.