JBL Proaqua КH refiller

Maintaining a stable KH value is an important condition for the well-being of inhabitants in an aquarium or garden pond, as well as for the development of aquatic plants. Carbonate hardness (KH) is one of the most important water parameters, as it helps maintain a stable pH level. KH should never drop below 4 °dKH.

The product is a reagent for determining carbonate hardness (KH) in freshwater and marine aquariums, as well as in garden ponds.

It provides an easy and reliable way to monitor water parameters by determining the optimal carbonate hardness.

Instructions for Use:
Fill the plastic container with a water sample, add the reagent drop by drop until the color changes from blue to yellow. The number of drops corresponds to the carbonate hardness level.

Dosage:

When starting a new aquarium – every day during the first week, then – once a week.