Phosphorus and Phosphate Detection Test Strips, 0-100 ppm [Vial of 50 Strips]

Features

• No reagents or field kits needed for tests, all you need is one strip and no chemicals
• Easy to use waterproof color chart printed on every vial along with instrucions
• Distinct color scale with marks at 0, 30, 75, 150, and 300 PPM Phosphate (and 0, 10, 25, 50, and 100 PPM Phosphorus)
• Long plastic strips ensure you can keep your fingers away from what is being tested
• This strip has a detection limit of 5PPM Phosphorus, and can NOT be used to detect anything below that