Measures Sodium Bromide levels from 1000, 1500, 2000, 2500 and 3000 ppm. The Sodium Bromide test strip is a simple dip and read method with results in 20 seconds. Each bottle contains 10 strips packaged in a waterproof PopTop bottle with English, French and Spanish instructions on the label. The bottle has a molded desiccant liner, which protects the strips from moisture and UV light. The Sodium Bromide bottle is packaged 12 units per case.