How to Clear a Green Pool in Southern Utah

Taylor Bird • March 18, 2026

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How to Clear a Green Pool in Southern Utah (and why hiring a professional matters).

If your St. George pool has turned green, you’re not alone. In Southern Utah, the heat and sun can quickly throw off your pool’s chemical balance, leading to algae growth and cloudy, green water.

What Causes a Green Pool?


A green pool is usually caused by algae, which thrives when chlorine levels drop or filtration isn’t working properly.


Common causes include:

  • Low or unbalanced chlorine levels

  • Poor water circulation

  • Dirty or clogged filters

  • Skipping regular cleaning and maintenance

Can You Fix It Yourself?

While it’s possible to treat a green pool on your own, it often takes:

  • Multiple chemical treatments

  • Constant water testing

  • Brushing and vacuuming

  • Filter cleanings

Without the right balance, it’s easy to overcorrect and create bigger (and more expensive) problems like damaged equipment or irritated skin.


Why Hire a Professional Pool Service?

Hiring a professional for pool cleaning in St. George and Southern Utah ensures the job is done quickly and correctly the first time.


A professional will:

  • Accurately test and balance your water
  • Use the right amount of chemicals 
  • Deep clean algae from walls and surfaces
  • Inspect and protect your pool equipment

Most importantly, they can turn your pool from green to crystal clear faster, saving you time, money, and frustration.


Keep Your Pool Clear All Season

Once your pool is clean, regular maintenance is key. A weekly pool service in St. George helps prevent algae from coming back and keeps your water safe and swim-ready all summer long.


Need help clearing a green pool?
Contact Heatwave Pools & Spas today to learn more about our professional pool service in Southern Utah.


green pool water being cleaned by a pool professional with an after image of a clean pool,

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