Electronic pH meter with beaker glass, chemistry equipment. Measuring the pH of the water in hydroponic farm.

green, color, background, glass, equipment, liquid, water, orange, medical, electrical, drink, instrument, soft, acid, display, electronic, screen, monitor, data, measure, measurement, test, biology, chemical, experiment, glassware, lab, laboratory, science, neutral, soil, hard, fluid, chemistry, meter, control, research, analysis, scientific, diagram, probe, potential, molecules, alkaline, acidic, electrode, distilled, hydrogen, substances, ph,