Reagent set for COPRA Silica-, for 6 month Reagent set for 6 months of operation without sulphuric acid (transport restrictions apply) Specifications Reagent set for COPRA Silica-, for 6 month Contact us to place an order. Downloads Downloads Click Here Related Products Reagent set for COPRA Phosphate, for 6 months (incl. sulfuric acid) Reagent set Oxycon Online Ozone, 3 sets Oxycon Carbonate Hardness pH-Calibration set (1x pH 7, 1x pH 9, each 40 ml)