Water hardness test -15 ml 521419

The measurement accuracy is 1°dH per 1 drop of reagent, the product is intended for testing
water containing hardness. The measuring set consists of a bottle with a volume of reagent
10 ml, measuring cup and user manual. A volume of 10 ml corresponds to approximately 300 drops
reagent.
Hardness measurement involves adding a drop of reagent to a water sample until it changes
colors from red to green. The number of reagent drops added is equal to the hardness of the water
in German degrees.