Priority guide ยท Pool water and equipment

Why is my pool cloudy after shocking?

Cloudy water or confusing test readings need diagnosis before treatment. The cause can be fine dust, dead algae, high stabilizer, poor filtration, pH imbalance, or circulation weakness.

Pool water and equipment in Cyprus

Practical answer

In strong Cyprus sun, stabilizer and pump run time matter because chlorine effectiveness and filtration time decide whether the water actually clears.

What to check first

  • Take fresh chlorine, pH, and stabilizer/CYA readings if possible.
  • Check whether the filter pressure is normal, high, or unusually low.
  • Look at whether the cloudiness is uniform, settled on the floor, or returning after brushing.
  • Confirm the pump is running long enough for summer conditions and heavy use.

What not to assume

  • Do not keep shocking without knowing CYA/stabilizer and pH context.
  • Do not backwash so often that the filter never works efficiently.
  • Do not confuse settled dust with active algae without brushing or vacuuming checks.

When this needs more than a quick check

Collect more detail or request help if:

  • the water is green, cloudy, or unsafe to inspect clearly
  • the pump is noisy, leaking, tripping power, or losing prime
  • guests are arriving soon and the pool needs time-sensitive assessment
  • you are not sure which chemicals were already added

Details to collect before requesting help

  • photos of the whole pool and the water close up
  • photos of the pump, filter, skimmer, and equipment labels
  • pool size, area in Cyprus, and guest-arrival deadline if relevant
  • recent test readings or a photo of the test strip

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