Concentrated reagent for Kore 7th kHLab alkalinity module. It allows to prepare 25 liters of ready-to-use reagent for approximately 900 measurements (price for single test about 0.07 euro cent)
Dilute 100ml concentrated reagent with 400ml osmosis water before use with kHLab.
Use laboratory electronic scale (or attached to kHLab electronic scale) to avoid any mistakes in proper product preparation.