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CERTIFIED POOL OPERATOR TEST REVIEW, Study notes of Biology

Biology

CERTIFIED POOL OPERATOR TEST REVIEW

Typology: Study notes

2025/2026

Available from 03/25/2026

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CERTIFIED POOL OPERATOR TEST
REVIEW
12d3Reasonsd3whyd3thed3healthd3inspectord3willd3closed3yourd3poold3-
d3ans✔1.d3pumpd3filterd3notd3workingd3ford3mored3thand3and3hour
2.d3maind3draind3isd3notd3visible
3.d3chemicald3readingsd3outd3ofd3ranged3
4.d3nod3poold3operatord3(15d3minuted3graced3period)
5.d3nod3lifeguardd3ord3cprd3certsd3present
6.d3waterd3isd3belowd3thed3skimmerd3line
7.d3dangerd3tod3thed3public
8.d3chlorinatord3isd3notd3working
9.d3healthd3inspectord3isd3notd3allowedd3in
10.d3bathroomsd3+d3drainsd3notd3working
11.d3flowd3rated3isd3tood3low
12.d3nod3phoned3(landline)
Measuringd3recordsd3asd3thed3CPOd3-
d3ans✔Operatord3mustd3testd3thed3waterd3ford3Cld3andd3pHd3everyd3hour,d3andd3Totald3Al
kalinity,d3Calciumd3Hardnessd3andd3Cyanuricd3Acidd3onced3perd3week.d3Recordsd3mustd
3bed3maintainedd3ond3sited3andd3availabled3ford3atd3leastd32d3yearsd3atd3thed3poold3andd3
3d3yearsd3total.
5d3Factorsd3ofd3Waterd3Balanced3-
d3ans✔pH,d3Totald3Alkalinity,d3Calciumd3Hardness,d3Temperature,d3andd3totald3dissolve
dd3liquids
Corrosived3waterd3-d3ans✔pHd3isd3tood3low,d3dissolvesd3everythingd3itd3contacts
scalingd3waterd3-d3ans✔pHd3itd3tood3high,d3minerald3depositsd3ond3wallsd3ord3pipes
Regulatedd3pHd3ranged3-d3ans✔7.2-7.8
pHd3readingd3isd3testedd3withd3Phenold3Red
Tod3lowerd3pH,d3-d3ans✔addd3muriaticd3acid
Tod3raised3thed3pH,d3-d3ans✔addd3sodiumd3carbonated3(Sodad3Ash)
pf3

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CERTIFIED POOL OPERATOR TEST

REVIEW

12 d3Reasonsd3whyd3thed3healthd3inspectord3willd3closed3yourd3poold3- d3ans✔1.d3pumpd3filterd3notd3workingd3ford3mored3thand3and3hour 2.d3maind3draind3isd3notd3visible 3.d3chemicald3readingsd3outd3ofd3ranged 4.d3nod3poold3operatord3(15d3minuted3graced3period) 5.d3nod3lifeguardd3ord3cprd3certsd3present 6.d3waterd3isd3belowd3thed3skimmerd3line 7.d3dangerd3tod3thed3public 8.d3chlorinatord3isd3notd3working 9.d3healthd3inspectord3isd3notd3allowedd3in 10.d3bathroomsd3+d3drainsd3notd3working 11.d3flowd3rated3isd3tood3low 12.d3nod3phoned3(landline) Measuringd3recordsd3asd3thed3CPOd3- d3ans✔Operatord3mustd3testd3thed3waterd3ford3Cld3andd3pHd3everyd3hour,d3andd3Totald3Al kalinity,d3Calciumd3Hardnessd3andd3Cyanuricd3Acidd3onced3perd3week.d3Recordsd3mustd 3 bed3maintainedd3ond3sited3andd3availabled3ford3atd3leastd3 2 d3yearsd3atd3thed3poold3andd 3 d3yearsd3total. 5 d3Factorsd3ofd3Waterd3Balanced3- d3ans✔pH,d3Totald3Alkalinity,d3Calciumd3Hardness,d3Temperature,d3andd3totald3dissolve dd3liquids Corrosived3waterd3-d3ans✔pHd3isd3tood3low,d3dissolvesd3everythingd3itd3contacts scalingd3waterd3-d3ans✔pHd3itd3tood3high,d3minerald3depositsd3ond3wallsd3ord3pipes Regulatedd3pHd3ranged3-d3ans✔7.2-7. pHd3readingd3isd3testedd3withd3Phenold3Red Tod3lowerd3pH,d3-d3ans✔addd3muriaticd3acid Tod3raised3thed3pH,d3-d3ans✔addd3sodiumd3carbonated3(Sodad3Ash)

2.d3sodiumd3bisulfate 3.d3carbond3dioxide Totald3Alkalinityd3- d3ans✔representsd3thed3amountd3ofd3carbonates,d3bicarbonates,d3andd3hydroxidesd3ind ad3solutiond3- d3youd3wantd3thisd3tod3bed3high,d3becaused3thed3pHd3resistsd3changesd3ind3fluctuating pHd3Bounced3-d3ans✔lowd3alkalinity Regulatedd3Totald3Alkalinityd3ranged3-d3ans✔60-180d3ppmd3ideald3goald3isd3100ppm Tod3lowerd3Totald3Alkalinity,d3-d3ans✔addd3muriaticd3acid Tod3raised3Totald3Alkalinity,d3-d3ans✔addd3Bakingd3Soda Calciumd3Hardnessd3- d3ans✔amountd3ofd3calciumd3andd3magnesiumd3ind3thed3waterd3(minerald3contentd3ind3w ater) Regulatedd3calciumd3hardnessd3ranged3-d3ans✔150-400ppm Tod3raised3Calciumd3Hardness,d3-d3ans✔addd3calciumd3chloride Totald3Dissolvedd3Liquidsd3(TDS)d3- d3ans✔sumd3ofd3alld3organicd3andd3inorganicd3materialsd3dissolvedd3ind3thed3water- d3cannotd3bed3eliminatedd3withd3ad3chemical-----d3<1500d3ppmd3allowedd3ind3water Temperatured3-d3ans✔Maxd3tempsd3=d3 88 d3ford3swimmingd3pool d3 96 d3ford3therapyd3pool d3 104 d3ford3hotd3tub Saturationd3Indexd3-d3ans✔-.5-.5d checkd3onced3ad3weekd3ford3ad3pool,d3everydayd3ford3ad3spa Employeesd3haved3thed3rightd3tod3know:d3-d3ans✔-d3mayd3comed3intod3contactd3w/blood -mayd3comed3intod3contactd3w/d3dangerousd3chemicals

  • d3personald3protection
  • d3materiald3safetyd3datad3sheet Cyanuricd3Acidd3(CYA)d3- d3ans✔chemicald3usedd3tod3stabilized3and3outdoord3poold3(notd3UVd3lightd3sensitive)d3ad dedd3directlyd3throughd3thed3skimmer, Regulatedd3Cyad3levelsd3-d3ans✔30-100d3ppm