Reagent set Oxycon Online Silica 3 sets of Oxycon Online Silica for approx. 3 up to 9 months of operation (according to selected measuring interval) consisting: Reagent 1a, 1b, 2, 3, 4a, 4b Specifications For use with: AMI Silica Contact us to place an order. Downloads Downloads Click Here Related Products Reagent set Oxycon Online Silitrace Filling solution 3,5M for Swansensor pH SI+FL; 30ml Calibration solution pH9 200ml Oxycon Ozon (DPD 1a & 1b, 2, GL, each 1x 45ml)