Natural Swimming Pool/Ponds (NSP's) are a chemical-free, low-maintenance alternative to traditional chlorine pools. The water is clean, crystal-clear, and filtered naturally using a built-in biological filter.
10 Different and Great Garden project Anyone Can Make 1
naturalswim- This gorgeous swimming pool isn’t a typical chlorine-filled watering hole–it’s actually a natural swimming pond that relies on plants to filter the water. (Don’t worry, you’re not swimming among the plants and stepping in squishy mud; the plant regeneration area is kept separate from the swimming area.)