TrolMaster Heavy Duty Inline Nutrient pH Sensor (PPH-3)Overview With an improved sensor element, the PPH 3 ensures superior stability and reliable performance in pH monitoring. Whether used with the AMP 2 or the AMP 3 nutrient sensor module, this pH probe stands as a versatile and essential tool for accurate water analysis. General Information TrolMaster's PPH 3 pH probe represents the pinnacle of precision and reliability, designed to meet the highest standards of water monitoring. With a reduced