Sera kH Test 15ml
Carbonite hardness test for freshwater and marine water.
Makes it easy to monitor the carbonate hardness in fresh and salt water
For approx. 390°dKH.
In case of too low KH values we recommend sera KH/pH-plus (in freshwater) or sera pond bio balance (in ponds), in case of too high values we recommend filtering through sera super peat (in freshwater aquariums).