Sera

The sera ammonium/ammonia-Test tells you the overall concentration of ammonium and ammonia. The actual concentration of toxic free ammonia is easy to...

For checking the copper level in tap water. Also for monitoring the application of copper containing additives. sera aquatan® immediately binds...

Nitrate test kit (75 tests)The sera nitrite-Test makes it easy to determine the level of toxic nitrite. For approx. 75 measurements in fresh and salt...

Phosphate strongly promotes algae growth. Thus, it should be regularly checked by means of the sera phosphate-Test and be removed in freshwater with...