Pool Maintenance Schedule: Daily, Weekly & Monthly Tasks

Daily tasks

Test water chemistry before anyone swims. The CDC's Model Aquatic Health Code (MAHC) sets the reference ranges most state health codes are built on:

Free chlorine: 1–3 ppm minimum for pools (some states require a 2 ppm minimum when cyanuric acid/stabilizer is used); commercial spas typically require a higher minimum, around 3 ppm.
pH: 7.2–7.8, with the CDC's broader acceptable range at 7.0–7.8.

Commercial pools are generally expected to test and log disinfectant and pH at least once per day, with many health codes and operator guides recommending twice a day (or hourly during heavy bather load). Homeowners should test at least once a day the pool is in use.

Daily task list

Test and record free chlorine and pH.
Skim the surface for debris.
Empty skimmer and pump baskets.
Check the water level and top off if needed.
Visually inspect for cloudiness, unusual odor, or algae.

Weekly tasks

Test total alkalinity (target roughly 80–120 ppm) and adjust with a pH increaser/decreaser as needed — alkalinity swings make pH hard to hold steady.
Brush walls and steps to prevent algae buildup, especially in corners and behind ladders.
Vacuum the pool floor.
Backwash or clean the filter per the manufacturer's pressure-gauge guidance.
Shock the pool (super-chlorinate) if chlorine has been running low or after heavy bather load or a rain event.
Check cyanuric acid (stabilizer) level if using stabilized chlorine — most guidance caps this around 30–50 ppm; higher levels reduce chlorine's effectiveness.

Monthly / seasonal tasks

Test calcium hardness and total dissolved solids; both drift over a season and affect scaling/corrosion.
Inspect and lubricate O-rings, gaskets, and pump seals.
Check heater function and pool cover condition.
Deep-clean the filter (cartridge replacement or DE recharge, depending on filter type).
At season open/close: balance water fully before opening, and stabilize chemistry before winterizing to prevent scale and corrosion over the off-season.

Sample weekly schedule

Day	Task
Monday	Test chlorine/pH, skim, empty baskets, brush walls
Tuesday	Test chlorine/pH, vacuum floor
Wednesday	Test chlorine/pH, check filter pressure, backwash if needed
Thursday	Test chlorine/pH, test alkalinity, adjust as needed
Friday	Test chlorine/pH, shock if needed, skim
Saturday	Test chlorine/pH (twice if high bather load), brush walls
Sunday	Test chlorine/pH, log weekly totals, top off water level

Why commercial pools must log readings

Commercial and public pools are subject to health-code inspections, and most state and local health departments require an on-site daily chemical log — chlorine, pH, and maintenance actions — as a condition of staying open. Inspectors check the log against the pool's actual test kit readings during a visit; a missing or inconsistent log is a common citation even when the water itself tests fine that day. A consistent record also protects the operator if a swimmer illness or injury is ever reported: it's the evidence that the pool was maintained within code on the days in question. Many health departments expect at least a year of logs kept on file.

Pool Maintenance Schedule

Daily tasks

Weekly tasks

Monthly / seasonal tasks

Sample weekly schedule

Why commercial pools must log readings

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Daily Pool Maintenance Log

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