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 nitrate level in fresh and marine water. Nitrate (NO3) is an indicator for severe organic pollution. The source of this organic pollution should be...
Makes it easy to monitor the iron level in fresh and marine water. Iron (Fe) is an important component of plant nutrition. In case the plants have fading leaves this...
Makes it easy to monitor the phosphate level in fresh and marine water. Both fish waste and feeding are possible causes for phosphate introduction into the water. A part is...
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...
