Phosphate-free preparation to safely reduce the pH level, every influence on pH must be checked with a pH test. Contains a natural oak extract. The KH should be checked and adjusted to 10-12 Degree dKH prior to use (with JBL AquaDur).
Please note that liquid items like this will be shipped by surface transport if our logistic partner denies carrying by air. This might cause delay in delivery which may be between 5-12 days depending on your location.