hand holds pH meter for measure the acidity of water in a swimming pool

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Size: 4200px × 2800px
Location: Akhtyrskiy, ????????????? ????, ??????
Photo credit: © Valery Voennyy / Alamy / Afripics
License: Royalty Free
Model Released: Yes

Keywords: acidity, bath, blue, bromine, chemical, chemistry, chlorination, chlorine, clarity, clean, clear, concentration, container, disinfectant, disinfection, effective, equipment, finger, hygiene, indicator, instrument, level, maintaining, maintenance, management, measure, measuring, meter, method, outdoor, ph, pool, prevention, quality, safety, sanitation, scale, service, spa, standard, surface, swimming, test, tool, visual, water