JBL Lab Pro aquatest combibox test set from JBL

The fish stock and the plants in the aquarium are dependent on the correct water values in the aquarium. Even if the water looks clear, it may be contaminated. With poor values, diseases or algae can occur in the aquarium. To maintain a healthy aquarium, with conditions close to nature, it is important to check and adjust the water values regularly. With the JBL Test Combi set, you can read the 5 most important water values in your aquarium.

There is pH (3-10), KH, Fe, NO2, NO3 & co2