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Certified Pool Operator Study Guide 
Questions and Correct Answers
2025/26 POOL OPERATOR STUDY GUIDE QUESTIONS WITH 100% SOLVED ANSWERS.
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Aquatic Facility Operator (AFO) Exam 2025/2026 | Verified Questions & Correct Answers | Complete Study Guide | Graded A+
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Aquatic Facility Operator (AFO) Exam 2025/2026 | Verified Questions & Correct Answers | Complete Study Guide | Graded A+ 
This Aquatic Facility Operator (AFO) Exam 2025/2026 Study Guide is the most comprehensive, accurate, and verified resource to help you pass your NRPA AFO certification exam with confidence. 
 
All content is based on the latest AFO Manual and current pool operation, safety, and management standards for 2025–2026. 
 
Perfect for pool managers, lifeguard supervisors, maintena...
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Pool Operator Study Guide Graded A.
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Pool Operator Study Guide Graded A. 
Ideal bromine level in a pool and spa is: 
3ppm to 6ppm 
Ideal chorine level for a pool is: 
1ppm to 5ppm 
Maximum level of chlorine in a pool is: 
5ppm 
If you see bubbles coming up from a return, the possible cause could be 
a bad seal on the hair/lint strainer - it is not properly closed, or air is in the filter, or water level is 
too low 
The hypochlorinator doesn't work. What could be a possible cause for this? 
a) no chlorine in the vat 
b) the inje...
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Pool Operator Exam Already Verified Questions and Answers
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Pool Operator Exam Already Verified Questions and Answers 
whole range chlorine in a pool: ____ to _____ 
1, 5 
ideal range chlorine in a pool: ____ to _____ 
2, 4 
whole range chlorine in a spa: ____ to _____ 
2, 10 
ideal range chlorine in a spa: ____ to _____ 
3, 5 
4 types of solid chlorine 
calcium hypochlorite, lithium hypochlorite, trichlor, dichlor 
liquid chlorine 
sodium hypochlorite (NaOCl) 
how active is gas chlorine 
100% 
the active killing form of chlorine in water 
hypochlorous a...
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Pool Operator’s Final Exam 2024/2025 – Verified Questions and Answers with A+ Grade
- Exam (elaborations) • 8 pages • 2025
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Pool Operator’s Final Exam 2024/2025 – Verified Questions and Answers with A+ Grade,This document provides the latest Pool Operator’s Final Exam questions and answers for the 2024/2025 academic year. It covers essential material required for certification, ensuring a complete review of safety, maintenance, and operational standards. Verified for accuracy, this resource supports achieving top exam performance.
POOL OPERATOR EXAM QUESTIONS AND ALL CORRECT ANSWERS 100% SOLVED AND GUARANTEED SUCCESS!!
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SC PESTICIDE CATEGORY 5 APPLYING AQUATIC HERBICIDES ACTUAL COMPLETE EXAM|WITH ACCURATE QUESTIONS AND VERIFIED ANSWERS|GRADED A
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Algae Ans Photosynthetic plants that contain chlorophyll, have 
simple reproductive structures and whose tissues are not differentiated 
into true roots, stems, or leaves. 
 
Algal bloom Ans Excessive or dense growths of a single or several 
species of algae. Usually of relatively short duration but may persist for 
extended periods. 
 
Biocontrol of weeds Ans Control or suppression of weeds by the 
action of one or more organisms through natural means, or by 
manipulation of the weed,...
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MASSACHUSETTS PESTICIDE LICENSE EXAM ACTUAL COMPLETE EXAM|WITH ACCURATE QUESTIONS AND VERIFIED ANSWERS|GRADED A
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absorption Ans the movement of a chemical into plants, animals 
(including humans), microorganisms or soil 
 
Acaricide Ans a pesticide used to control mites and ticks. a 
Miticide is a type of acaricide 
 
Acidic Ans having a ph less than 7 
 
Acidifiers = Buffers Ans adjuvants used to retard chemical 
degradation of pesticides in the spray tank by lowering the pH of 
alkaline water used as a diluent 
 
Action Threshold Ans a predetermined level of pest infestation or 
damage at wh...
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CATEGORY 5 PESTICIDE SAFETY EDUCATION - AQUATIC PEST CONTROL ACTUAL COMPLETE EXAM|WITH ACCURATE QUESTIONS AND VERIFIED ANSWERS|GRADED A
- Exam (elaborations) • 42 pages • 2025
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List 4 responsibilities you have as a certified commercial pesticide 
applicator or technician. Ans - accurately identifying the pest you 
want to control - applying the most effective and efficient management strategy or 
control measure - selecting an appropriate and registered pesticide if one must be used - knowing the consequence of your management strategy or decision 
 
List 6 ways you can prevent pesticide exposure to non-applicators. 
Ans - recognizing potential hazards with the ...
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