The innovative, patented 3D fiber structure of Crystal Clear Professional quickly removes small particles above 10µm. The filter balls keep their shape & can be washed out several times. They...
Adding & removing filter media is considerably accelerated by the sera filter media bags. The filter media remain in place within the filter & cleaning becomes easier. sera filter media...
Permanent CO2 monitoring. CO2 is among the most important nutrients for aquatic plants. Deficiencies can therefore have severe consequences. The sera CO2 long-term indicator was developed for permanently monitoring the...
The innovative, patented 3D fiber structure of Crystal Clear Professional quickly removes small particles above 10µm. The filter balls keep their shape & can be washed out several times. They...
Makes it easy to monitor the ammonium/ammonia level in fresh and marine water. Ammonium and ammonia mainly arise from fish waste. They are converted into each other depending on the...
Makes it easy to monitor the copper level in fresh and marine water. Copper (Cu) is very toxic especially for invertebrates such as shrimps and crustaceans, but fish also react...
Makes it easy to monitor the nitrite level in fresh and marine water. Nitrite (NO2) is among the most toxic substances for fish in aquariums. It can enrich in the...
