Water Tests - Aquarium Maintenance

Quick and easy check Routine check or safety check: With the Quick Test, sera offers the optimal possibility to easily check the most importan...

For the simple determination of the nitrate content in fresh and sea water Nitrate (NO 3 ) is an indication of a heavy organic load. The source ...

Test solution for electronic pH devices The various sera test solutions (pH 4.0 / pH 7.0 / pH 9.2) are suitable for all electronic pH devices.

Advanced water testing An experienced aquarist checks the water in his aquarium regularly. This way, preventive measures against algae, for exam...

To determine the pH value in freshwater, seawater and in the pond in a simple way. For pH values ​​that are too low, we recommend sera KH/pH-plu...

For the simple determination of the phosphate content in fresh and sea water Fish excrement and feeding are both possible causes of increased ph...

To determine the carbonate hardness in fresh and sea water in a simple way For approx. 390 °dKH. For low KH values ​​we recommend sera KH/pH-p...

For the simple determination of the nitrite content in fresh and sea water Nitrite (NO 2 ) is considered one of the most toxic substances for fi...

To determine the total hardness in a simple way For approx. 420 °dGH. If the total hardness is too low, we recommend sera mineral salt. Too hi...

For the simple determination of the ammonium/ammonia concentration in fresh and sea water Ammonium and ammonia come primarily from fish feces. D...

Get to know your aquarium water Only those who know their water values ​​can respond appropriately and in a timely manner and prevent irregulari...

Sera Co2 Indicator Fluid Replacement fluid for the Sera Co2-Continutest.

For the simple determination of the iron content in fresh and sea water Iron (Fe) is an important component of plant nutrition. If the plants ha...

For the simple determination of the silicate content in fresh and sea water Silicate (SiO 3 ) promotes the growth of diatoms in marine and fresh...

Supplementary set with three cuvettes for performing water tests The high-quality sera cuvettes made of glass are ideally suited for performing ...

Sera Co2 Continuous Test CO2 is considered one of the most important nutrients for aquatic plants. A shortage can therefore have enormous cons...

For the simple determination of the chlorine content in freshwater and seawater It detects dangerous chlorine Important for fish and inverte...

For the simple determination of the oxygen content in fresh water Rapid breathing at the water surface is an unmistakable sign of oxygen deficie...

For the simple determination of the copper content in fresh and sea water Copper (Cu) is very toxic for invertebrates such as shrimps and crayf...