004. Certified Maintenance Specialist - CMS Module Four: Water Quality

8 modules

Course Length
140 mins

Alex Antoniou

16 Nov 2017

$49 - 99


In this Module of the CMS Course, you will learn about:

  1. Bather Protection Parameters
  2. Water Balance
  3. The Chemistry of Sanitizers
  4. Auxiliary Pool & Spa Products
  5. Water Testing
  6. Adding Chemicals

Exam Information:

To become certified as a CMS Certified Maintenance Specialist®, you must complete the CMS course and take the CMS Exam. An additional registration form and $115 fee for the CMS exam is required. The CMS exam is 1.5 hours long, open book exam with 75 multiple choice questions. You must score 75% or better to pass (answering at least 56 questions correctly). 

Choose How to Take the Exam: 

  • On a computer at a PSI computer testing center near you. Computer testing gives immediate test results and flexible time to take the exam. 
  • At an APSP national, regional or chapter-sponsored testing event. A list of upcoming events can be found at APSPUniversity.org. You will receive your exam results by US Mail approximately 3 weeks after the exam. 
  • Test at a community college or university near you. Proctored exams must be taken at an accredited college or university. 

Contact apspuniversity@apsp.org or call 703-838-0083 ext 127 if you need additional information

Visit this page for more information: CMS Information


Upon completion of Module 4, you will be able to:

  1. Describe the guidelines for the safe handling, loading and transport of chemicals
  2. Explain the basic procedures for water testing
  3. Explain the chemistry of chlorination
  4. Name the five factors of water balance
  5. Name several methods for disinfecting/oxidizing water


By completing/passing this course, you will attain the certificate Online Record of Completion

Learning Credits

CMS glossary
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M4U1 Bather Protection Parameters
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M4U2 Water Balance
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M4U3 The Chemistry of Sanitizers
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M4U4 Auxillary Pool & Spa Products
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M4U6 Adding Chemicals
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CMS Module Four Final Test
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CMS Module Four Course Evaluation
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