Description Quick test for the determination of the carbonate hardness – Reliable control of water values. Determination of optimal carbonate hardness for fresh/saltwater aquariums and ponds. – Colour change test: add reagent drop by drop until colour changes from blue to yellow. Number of drops = carbonate hardness. – When to use: when setting up a new aquarium: once a week. – Online Laboratory: regular control for a healthy aquarium/pond with conditions close to nature. – Package contents: 1 quick test, KH Test. Incl. reagent and plastic cuvette. Refill reagent available separately.
