Enhance your water testing capabilities with the Reagent Kit for PrimeLab, specifically designed for Total Nitrogen (LR) analysis within a range of 0.5 – 25 mg/l. This comprehensive kit includes 50 Hydrox. prepared LR vials and 50 powder packs of Persulfate and Reagent A and B each, 50 Acid LR/HR vials, and 100ml of DI-Water ensuring accurate and efficient nitrogen testing.