por | Jul 23, 2026
Distinct color scale with marks at 0, 30, 75, 150, and 300 PPM Phosphate (and 0, 10, 25, 50, and 100 PPM Phosphorus). Easy to use waterproof color chart printed on every vial along with instrucions. This strip has a detection limit of 5PPM Phosphorus, and can NOT be...
