Principle: Calcium and magnesium ions react with the reagent to form a violet dye. Application area: raw and drinking water, precipitation water, boiler water, process control Storage information The test reagents are at + 15 to + 25 ° C until the expiry date stated on the package. Malfunctions When using the test in drinking and boiler water, no faults are known. Basically, the results are to be checked by a plausibility check (dilution and / or topping-up of the water sample). pH value / temperature The pH of the water sample must be between pH 4 and 9. The temperature of the water sample and reagents must be between 15 and 25 ° C. Safety instructions For quality and safety reasons, only HACH LANGE original accessories must be used during the analysis. CADAS 100 (LPG 158) If the test is not yet stored on your device, please request a programming manual from HACH LANGE Düsseldorf.Meer tonenMinder tonen