Milwaukee MC122 PRO pH Controller, USA 110V for Aquariums, Common uses are nutrient tanks and aquariums. Accurate to ±0.2 pH (0.0 pH to 14.0 pH) with the user selectable high/low set points. Gel-filled, double junction lab grade pH electrode for low maintenance and high performance. byJuly 4, 2026Last Updated on: July 5, 2026
