A green pool is one of the most common problems Miami pool owners face — and one of the most alarming. That green color means algae has taken over your pool water, and it's not just an eyesore — it's a health hazard. Here's what causes green pools and how to fix them fast.
What Causes a Green Pool?
Inadequate Chlorine Levels — The most common cause. When free chlorine drops below 1 ppm, algae can begin growing within hours. Miami's intense UV rays break down chlorine rapidly, making this a constant battle.
Poor Circulation — If your pump isn't running enough or your filter is clogged, water stagnates and creates ideal conditions for algae growth.
Chemical Imbalance — High pH levels reduce chlorine effectiveness. Even if you're adding chlorine, it won't work properly if your pH is above 7.8.
Heavy Rain — Miami's frequent rainstorms dilute pool chemicals and introduce phosphates and organic matter that feed algae.
Neglected Maintenance — Skipping even one week of pool service in Miami's climate can lead to the beginning of an algae bloom.
Types of Pool Algae in Miami
Green Algae — The most common type. Turns water green and makes surfaces slippery. Relatively easy to treat.
Yellow/Mustard Algae — Appears as yellow-brown patches on walls. More resistant to chlorine and requires specific treatment.
Black Algae — The most stubborn type. Appears as dark spots on pool surfaces and has deep roots that make it difficult to eliminate.
How Our Green to Clean Service Works
At Miami Pool Service Pros, our green-to-clean process is systematic and thorough:
Most green pools can be restored to crystal-clear condition within 24-72 hours.
Preventing Green Pools in Miami
Prevention is always better than treatment. Here's how to keep your pool from going green:
Don't let a green pool ruin your summer. [Contact Miami Pool Service Pros](/contact) for fast, professional green-to-clean service in Miami and surrounding areas.