The Leading Edge of Maintenance | Pool Series - Calcium Hardness

Duration
0 Hours
5 Minutes
Package
Essentials
NAA CEC Credits Available
No
NAA CEC Credits
0
Language Support Tool
Not Available
Records Score
No
Content Provider
Grace Hill
Subject
Maintenance
Learning Plan
Pool Maintenance and Repair
Supervisor/Employee
Employee
TDHCA Approved
No
Learn how to test calcium hardness. Fill to 25 ml, add 20 drops of R10 and 5 of R11—sample turns red. Add R12 drop by drop until it turns blue. Multiply drops by 10 for ppm. Ideal range: 200–400 ppm (optimal: 300–325 ppm) to protect surfaces and grout.

Course Versions

Languages

  • English
  • Spanish