You walked outside this morning expecting crystal clear water and found a swamp instead. Green algae turned your pool into something that looks like it belongs in a horror movie, and you're wondering what went wrong. Here's the truth, this happens faster than most people think, especially when your filtration system isn't working right or chemical levels drop even slightly. Before you panic and drain the whole thing, know that a Pool Cleaning Service Garden Grove CA can usually fix this in a day or two. The key is acting fast because the longer algae sits, the harder it becomes to kill. You'll need to shock the water, brush every surface, and get those Pool Filter Cleaners near me to check if your system caused the problem. JC's Pool Service : https://www.google.com/maps?cid=10049499465433887451 Get the full story : https://mushlovesocial.com/blogs/283029/Why-Your-Pool-Turned-Green-Overnight-and-What-to-Do