English Instructor Manual (PDF) - Metric Version - National ...
English Instructor Manual (PDF) - Metric Version - National ...
English Instructor Manual (PDF) - Metric Version - National ...
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Chapter 8 – Chemical Testing<br />
Handbook: Pages 85 - 98<br />
Suggested Time:<br />
PowerPoint Slides:<br />
Materials:<br />
30 minutes<br />
Chapter 8 Slides<br />
Test kits, preferably that can test for free chlorine, total chlorine, pH,<br />
total alkalinity, calcium hardness, and cyanuric acid<br />
Water Testing video demo (from the <strong>Instructor</strong> DVD)<br />
Objectives: At the end of this lesson, the student will be able to:<br />
1. List the importance of accurate pool/spa water testing<br />
2. List the results of improper water testing<br />
3. Explain the methods used to test pool/spa water<br />
4. Explain the proper procedure for testing pool/spa water<br />
Leading Questions:<br />
Why is chemical testing important?<br />
Why is it important to have accurate water testing?<br />
How often should testing be done and why?<br />
What types of testing do you do at your pools?<br />
How is your testing recorded?<br />
Is there a regulatory agency that reviews your testing results?<br />
Key Points: Discuss the importance of accurate testing and consequences of improper testing.<br />
Emphasize that the results of the tests that are taken have a domino effect on everything else<br />
done from that point on with the water chemistry.<br />
Video Demo: Show the Water Testing video demo from the <strong>Instructor</strong> DVD.<br />
Key Points: Discuss the importance of accurate testing. This includes:<br />
Prevent disease outbreaks by maintaining proper disinfectant and chemical levels<br />
Prevent drowning due to cloudy water<br />
Maintain good water quality<br />
Reduce algae growth<br />
Regulation compliance<br />
Key Points: Discuss the effects of improper testing. These include:<br />
Inaccurate test results<br />
Miscalculation of chemicals needed to correct imbalances<br />
Potential hazards to swimmers<br />
Regulatory agency intervention<br />
False readings due to chemical interferences<br />
© 2014 <strong>National</strong> Swimming Pool Foundation® Page 65