Water testing

Water testing

Knowing the relevant water parameters is the basic precondition for permanently providing the freshwater aquarium inhabitants optimal environmental conditions.

Direct corrective measures are possible if the values are outside the recommended range. Besides regularly monitoring the standard water parameters, selected parameters for sourcing should be checked immediately in case of suspicious observations.

sera aqua-test set
Know your water
sera aqua-test box
Water testing for experienced aquarists

sera Quick Test
Quick and easy monitoring

sera CO<sub>2</sub> long-term indicator
Permanent CO2 monitoring

sera pH-Test
Makes it easy to monitor the pH value in fresh and marine water and ponds. For approx. 100 measurements.
sera kH-Test
Makes it easy to monitor the carbonate hardness in fresh and salt water.

sera gH-Test
Zur einfachen Bestimmung der Gesamthärte.

sera pH meter
Electronical instrument for the measurement of the pH value in fresh and marine water.

sera cleaning solution
For pH electrode
sera care solution KCl
For pH electrode


sera guide booklets

Browse our extensive guide booklets. From the first steps via correct feeding up to health related topics ...

sera guide booklets