Man checking the ph level of a swimming pool.
Man checking the ph level of a swimming pool.
Size:
5016px × 3343px
Photo credit: ©
Matthew Heinrichs / Alamy / Afripics
License:
Licensed
Model Released:
Yes
Keywords:
acidity,
chemicals,
indicator,
kit,
level,
man,
ph,
pool,
swim,
swimming,
test,
vial