Products

Tetra AquaSafe

Makes tap water safe for fish by immediately neutralising harmful substances.

Tetra SafeStart

Creates a biologically active environment to allow the fast introduction of fish into a newly set up aquarium.

Tetra FilterActive


Tetra FilterActive adds highly effective live bacteria and thus promotes permanent biological activity in the aquarium.

Tetra EasyBalance

Reduces the number of water changes and stabilises important water values for up to 6 months.

Tetra Bactozym

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

Tetra CrystalWater cleans dirt particles from the aquarium water fast, safely and reliably. For crystal clear aquarium water.

Tetra NitrateMinus

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 TestStrips Ammonia

Fast and easy testing of NH3/NH4+.

Tetra WaterTest Set

Water test set for the reliable and precise determination of five decisive water values.

Tetra Test pH

Measures the pH value reliably and precisely

Tetra Test GH

Measures overall hardness reliably and precisely

Tetra Test KH

Measures carbonate hardness reliably and precisely

Tetra Test NH3/NH4+

Measures the ammonia value reliably and precisely

Tetra Test NO2-

Measures the nitrite value reliably and precisely

Tetra Test NO3-

Measures the nitrate value reliably and precisely

Tetra Test O2

Measures the oxygen value reliably and precisely

Tetra PlantaMin

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.

Tetra Crypto

Root fertiliser tablets for lush, healthy aquatic plants.

Tetra CO2 Optimat

The practical complete CO2 set for lush, healthy aquatic plants.

Tetra CO2 Depot

Carbon dioxide fertiliser for lush aquatic plants.

Tetra CompleteSubstrate


Nutrient-rich substrate with long-term fertilisation


Activates strong and healthy plant growth.

Tetra ActiveSubstrate

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


Tetra InitialSticks provides nutrient-rich ground resulting in magnificent, strong aquarium plants.

Tetra AlguMin*


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.

Tetra GC Gravel Cleaner

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

Tetra EasyWipes

Cleaning wipes for all tropical and marine aquariums

GS 45 Aquarium Glass Scraper

For the simple and effective cleaning of interior aquarium glass panes.

Tetra MC M magnetic glass cleaner

Cleans aquarium glass quickly and efficiently.

Tetra MC L magnetic glass cleaner

Cleans aquarium glass quickly and efficiently.