Milwaukee MC122 PRO pH Controller - Automatic pH Monitor & Control stage 7 gravity filter Bio-ceramic balls are manufactured from

Bio-ceramic balls are manufactured from a blend of natural minerals fired at high temperature

Any pH meter requiring pH 7

Made of high quality 304 Food Grade stainless steel & Food Grade Silicone (washers)

TDS Range: 0-9999 ppm (mg/L)

Pay close attention to the direction of the probe's sharp tip

Milwaukee MC122 PRO pH Controller - Automatic pH Monitor & Control stage 7 gravity filter Bio-ceramic balls are manufactured fromACCURATE. SIMPLE. RELIABLE. 24 7 PH CONTROL. The Milwaukee MC122 PRO pH controller lets you measure and adjust pH levels automatically. WHAT PEOPLE ARE SAYING "I run this unit 24 7 and have not had any problems for the past two months. It keeps my fish tank CO2 injector running perfectly and puts my mind at ease regarding overdosing." "I've been using this controller for two years to monitor and adjust pH of hydroponic nutrient solutions. Still using