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Vacation food for the optimum nutrition of fish during an absence for up to 14 days.  Healthy nutrition for up to 14 days. Patented feeding block with essential vitamins, trace elements, minerals and tasty daphnia. The tetra block is 100% edible. Long term solid in the water without polluting the water. Easy to dose. Number of blocks depends on number...

Measures the pH level precisely and reliably Features Suitable for all freshwater aquariums Excellent long-term stability For a large number of analysis Instruction for use Test procedure The test measures pH values ranging from 5 to 10. Rinse the test vial with the water to be tested. Fill the vial to the 5 ml mark with the water to be...

Iron, Potassium, Manganese and other essential trace elements provide a lush and healthy plant growth.  Strengthens plants by providing a long-term effective nutrient supply. Prevents yellow, glassy leaves. Promotes the formation of Chlorophyll, thus ensuring rich green leaves. Prevents Iron and Potassium deficiencies. Vigorous plant growth is the  best way to prevent algae growth. The nutrients found in the Plantamin...

Measures the Nitrite value precisely and reliably Suitable for all freshwater and marine aquariums. Excellent long-term stability.  

Measures the Nitrate value precisely and reliably Suitable for all freshwater and marine aquariums.  For a large number of analysis Excellent long-term stability.

Staple food for all Cichlids and other large ornamental fish. Features The sticks float on the water and suit the Cichlids natural eating habits. The nutrient content meets the Cichlids' increased requirements for animal proteins and ensures a naturally balanced nutrition. Promotes well-being, naturally intense colouring and growth.

Detoxifies dangerous ammonia. Use whenever ammonia levels rise - fast acting formula.  Tetra AmmoniaSafe Fish Pond Treatment quickly reduces the dangerous ammonia in your Fish Pond. Tetra Pond Ammonia Safe removes toxic ammonia that is bad for fish and helps remove ammonia that builds up if your Pond Filter is not working correctly. Tetra AmmoniaSafe reduces toxic ammonia, converting it...