JBL ProAquatest GH Total hardness

Proper water parameters in the aquarium / pond depend on the stock of fish and plants. Also if the water looks transparent, it can be contaminated. There may be disease or algae in aquarium / pond. Regular control and adjustment of water parameters are important for a healthy aquarium / pond with almost natural conditions. Why test? Depending on the origin and type of substrate, water may contain various amounts of fossil alkaline soil salts. As a rule, these are calcium and magnesium salts. The sum of calcium and magnesium ions means a total hardness. Most fish and plants are successfully breed with a total hardness of approx. 8-20 ° DH. However, it should be strive to make too high the value of complete hardness to lower the appropriate actions.

Use:
When organizing a new aquarium in the first week every day, then 1x weekly.

Fill the plastic cuvette with water from the sample, add the reagent with drops until the red color changes to green. Number of drops = total hardness height.