Reduces the number of water changes and stabilises important water values for up to 6 months.
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.
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.
Tetra Goldfish GoldMed is a general remedy that targets the most common fish diseases, such as white spot, skin and gill parasites, fin rot, fungal infections and also prevents secondary infections.
Combats effectively all types of algae. For prevention and fast action.
Cleans aquarium glass quickly and efficiently.