Pool tips

Expert pool tips, buying guides and how-tos from the Pool Wizard team.

Pool chemicals stocked at the Willawong shop
Green pool before and after

Green Pools

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Jul 15, 2024

Green pool cleaning in Brisbane after winter


Brisbane's winter may be mild, but it can still leave your pool looking far from inviting. As the days warm up, many owners are greeted by green, murky water.

Here's why it happens, and how we get it from green back to sparkling clean.

Green pool before treatment
The same pool after green pool recovery

Why pools turn green after winter


Algae spores are always around, and without regular maintenance they multiply quickly. Pump and filter hours are often turned down for winter, so debris and algae build up. Winter rain dilutes chemicals, and reduced chlorinator times mean pools produce less chlorine just as the hot days return.


Key points


  • Algae thrives when pools are left alone over winter.

  • Reduced filtration lets debris and algae build up.


  • Rain dilutes chlorine and upsets the balance.


  • Turn chlorinator and pump hours back up as it warms.



Green already? Our green pool recovery service will get it back to blue, with unlimited return visits until it's clear.

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