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Why Is My Pool Water Green? Here’s What’s Really Going On

Nothing ruins a perfect Arizona pool day faster than stepping outside to find your crystal-clear water has turned green. If you live in Peoria or anywhere around the West Valley, you’ve probably asked this question before: Why is my pool water green—and how can I fix it fast?

The Real Reason Behind Green Pool Water

Green water is almost always caused by algae growth. In our warm Arizona climate, algae can appear practically overnight when pool chemistry gets out of balance. A few common culprits include:

  • Low chlorine levels that allow algae to bloom

  • Poor circulation or filtration

  • pH imbalance or high phosphates

  • Debris buildup and irregular cleaning

Even a short lapse in maintenance can give algae the upper hand, turning your pool from inviting blue to murky green.

How to Get Your Pool Back to Clear

If your pool water is green, shock treatments and brushing might help temporarily—but without professional care, the problem often returns. That’s where Green Monster Pool Care & Repair comes in. Our team specializes in restoring and maintaining sparkling pools across Peoria, Surprise, Glendale, and nearby communities.

We offer:

  • One-time green-to-clean pool restoration to bring your water back to balance

  • Weekly pool maintenance programs to keep algae and chemical problems under control

  • Equipment inspections and repairs to prevent recurring issues

Our technicians use professional-grade treatments and precise testing to make sure your water chemistry is right where it should be—all year long.

Keep Algae Away for Good

Don’t waste time fighting green water alone. Let Green Monster Pool Care & Repair handle the dirty work while you enjoy a clean, inviting pool again. Whether you need a one-time rescue or a reliable weekly service, we’ll make sure your pool stays sparkling.

Call today to schedule your Free Estimate and see why homeowners across Peoria trust Green Monster Pool Care & Repair to keep their water crystal clear – (602) 699-5404

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