The Complete Pool Cleaning Guide
Pool cleaning is the routine process of skimming, brushing, vacuuming and balancing chemicals so a pool stays clear, safe and swimmable. Done weekly, it prevents the bigger, costlier problems – algae blooms, cloudy water, and strained equipment – that come from letting a pool go even a few weeks without attention.
This guide covers exactly what a proper clean involves, in what order, and when it is worth calling in a professional instead of doing it yourself.
What weekly pool cleaning actually involves
A proper weekly clean covers five things in order: skimming the surface, brushing the walls and floor, vacuuming debris, testing and balancing the water chemistry, and checking that the filter and pump are running clean. Skipping any one of these lets small problems compound – debris left in the water burns through chlorine faster, and a neglected filter starts returning cloudy water even when your chemistry is correct.
Skimming and netting debris
Skimming removes leaves, insects and other debris before they sink and decompose. Decomposing organic matter is one of the biggest hidden drains on chlorine, since sanitizer gets used up breaking down debris instead of controlling algae and bacteria. Skim daily during autumn and windy periods, and always skim before you vacuum or backwash so loose debris does not get pulled into the filter.
Brushing walls, steps and corners
Brushing breaks up the biofilm layer that forms on pool surfaces before it becomes visible algae. Shaded corners, steps and behind ladders are the areas most often missed, and they are exactly where algae tends to establish first because circulation is weakest there. A full brush-down once a week is the minimum for a healthy pool, more often in summer when algae growth is fastest.
Vacuuming the pool floor
Manual vacuuming gives you the most control for settled debris and fine silt that a pump-driven automatic cleaner can miss, particularly after brushing has knocked material off the walls. Move slowly and overlap each pass – moving too fast just stirs debris back into suspension instead of pulling it into the vacuum head.
Testing and balancing your water chemistry
Balanced water means pH between roughly 7.2 and 7.6 and free chlorine between 1 and 3 ppm – outside that range, chlorine either stops working effectively or becomes harsh on skin, eyes and equipment. Test at least twice a week, more often in hot weather or after heavy rain, since both pH and chlorine demand shift quickly with temperature and bather load.
If your pool has already turned cloudy or green, chemistry alone will not fix it quickly – see our guide to cleaning your pool with liquid chlorine for the dosing steps that clear a problem pool fast.
Cleaning your filter and pump
Your filter and pump do the work that skimming and vacuuming cannot – removing the fine particles suspended in the water itself. A sand filter that is not backwashed on schedule loses efficiency long before the pressure gauge makes it obvious, and a dirty pump basket restricts flow to the whole system. Our full walkthrough on cleaning your pool pump covers the exact steps and how to do it without damaging seals or the lid.
Recognising and fixing cloudy water
Cloudy water is usually fine particulate – dust, early algae, or body oils – that your filter is struggling to catch fast enough, not a sign your pool needs draining. In most cases it clears within a few days of consistent filtration and chlorine, without a full drain-down. Our guide to clearing cloudy pool water without draining walks through the fastest way to fix it.
Recovering a green pool
Green water is an active algae bloom, and it needs a higher, sustained chlorine level plus daily brushing to clear – normal weekly maintenance dosing will not catch up to it. Expect the pool to pass through a cloudy grey stage as the algae dies before it clears, which is a normal part of recovery, not a sign the treatment has failed. See our step-by-step guide to recovering a green pool with liquid chlorine for the full day-by-day process.
How pool cleaning frequency changes with the seasons in Johannesburg
Summer needs the most frequent attention – warmer water, more swimmers and more windblown debris all accelerate chlorine demand and algae risk, so daily skimming and twice-weekly testing are worth the effort. Winter use drops, but skipping maintenance entirely is a mistake – a pool left untested for weeks can still turn green in mild Johannesburg winters. Load shedding adds a local wrinkle too: reduced pump run-time during outages means weaker circulation and filtration for stretches of the day, so it is worth testing chemistry a little more often, and running the pump for longer stretches when power is available, rather than relying on a fixed daily schedule.
When a full drain-down clean is necessary
A full drain and scrub is only necessary for a pool with heavy, long-standing algae staining, a plaster or tile surface that needs acid washing, or water chemistry so far out of balance that dilution is the faster fix. For the vast majority of green or cloudy pools, a proper chemical recovery restores clarity without draining a single litre of water – draining should be the exception, not the default response to a dirty pool.
DIY pool cleaning vs a professional pool cleaning service
Routine weekly maintenance – skimming, brushing, basic testing – is manageable for most homeowners who stay consistent with it. Where it makes sense to bring in a professional is green pool recovery, equipment problems that affect circulation, drain-downs, and simply not having the time to stay on top of a weekly routine, since a pool that slips for even two or three weeks often needs far more work to bring back than it would have taken to maintain. Our professional pool cleaning and maintenance service covers exactly this – a scheduled weekly clean so the problems in this guide never get the chance to start.
FAQs
1. How much water loss is normal for a pool?
About 1/4 to 1/2 inch per day from evaporation is normal in warm weather.
2. Can small leaks cause big damage?
Yes. Even a small leak can cause soil erosion, deck damage, and equipment strain over time.
3. How long does leak repair take?
Minor repairs can take a few hours. Major repairs may take several days.
4. Will insurance cover pool leak repairs?
5. How often should I check for leaks?
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