(NASCO) National Aquatic Safety Company Aquatic Facility Operator Certification Practice Test
(NASCO) National Aquatic Safety Company Aquatic Facility Operator Certification NASCO Water Chemistry & Quality Control
What is the ideal pH range for pool water?
Select your answer
A
6.0 - 6.5
B
7.2 - 7.8
C
8.5 - 9.0
D
5.5 - 6.0
Need a hint?
(H)
