Testing water pH at home. Man determining water pH by comparing the color of liquid in testing vial with attached color scale. Water is alkaline
Schlüsselwörter
water,
ph,
test,
home,
alkaline,
kit,
drinking,
aquarium,
health,
quality,
exam,
hold,
isolated,
acidic,
monitoring,
fresh water,
chemical,
pollution,
pollutant,
pointing,
treat,
safety,
contamination,
background,
carbonate,
check,
closeup,
colours,
compare,
container,
control,
define,
determine,
ecology,
environment,
glasses,
hand,
indicator,
laboratory,
liquid,
man,
measure,
pool,
reagent,
scale,
set,
technology,
ampoule,
white
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