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 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.
With Tetra Test 6in1, quickly test the aquarium water to ensure it is in top condition, and to help avoid any problems.
The practical complete CO2 set for lush, healthy aquatic plants.
Carbon dioxide fertiliser for lush aquatic plants.
Combats effectively all types of algae. For prevention and fast action.
Tetra Medica FungiStop is highly effective against fungal attacks, external bacterial infections and wounds
Tetra Medica ContraIck is highly-effective against white spot disease and skin and gill parasites.
Cleans aquarium glass quickly and efficiently.