If you're a pool owner, you might have come across green algae in your swimming pool. Among black and mustard algae, green ...

A swimming lesson was cancelled and the swimming pool closed after the water changed into a green colour Frustrated parents have accused a pool of reopening "too early" after the water "turned green".

Smooth, cathedral-like arches in the subterranean, saltwater swimming pool give it an intergalactic quality. At night, deep green light bounces around the high curves. The three-bedroom home was ...