Sam | Sustainable Living on Instagram: "This swimming pool doesn’t use chemicals to stay clean, it uses nature instead! They’re called natural pools, and instead of chlorine, they use plants and good bacteria to keep the water clean. Next to the swimming area, there’s a zone that acts like a mini-wetland, where water filters through gravel, plants and beneficial microbes that remove nutrients and pathogens, stopping algae and harmful bacteria from growing. A small pump also helps keep the water