JBL – ProAquaTest KH Carbonate Hardness

Simple and reliable monitoring of the water values in aquariums and ponds. Determines the ideal carbonate hardness in fresh and marine water

Colour change test: fill plastic cuvette with sample water, add reagent drop by drop until colour changes from blue to yellow. Number of drops = level of carbonate hardness

When to use: daily in the first week in newly set up aquariums, afterwards once a week

You will find detailed information and troubleshooting tips about water analysis on the JBL website in Essentials/Aquarium or Pond