It can be a nasty shock when you discover that the normally clear, sky-blue water in your pool turned green overnight. Why is my pool green? Typically, algae is the source of green pool water, and it’s certainly possible that it took over quickly, even overnight. This is especially likely if it is very warm outside, since algae blooms more rapidly in warmer temperatures. It is even more common, however, for there to have been an ongoing, undetected chemical imbalance in your pool water that enabled algae to grow.
As a rule of thumb, the deeper the shade of green, the more algae has bloomed. If your pool has just a mild green tint to it, that’s a good thing—it means you’ve likely noticed the problem before it has gone too far, which should make it easier to treat. The first step toward getting your pool back to normal? Determining the … Read Full Post »