Lovibond Chloride T2 Tablets, Range: 0.5 to 25 mg/L, White, Composition: Potassium Monopersulfate Triple salt 5 to 10%, Silver Nitrate <2.5%, Boric Acid >50%, non-hazardous components <20%, Format: Tablet, For Use With: Water analysis, MD600 colorimeter and the spectrodirect spectrophotometer