Sand in a jug of water with the coarse particles settled on the bottom and finer particles in suspension

---

Size: 5200px × 3468px 44cm × 29.4cm - 300dpi
Location: Studio Shot, South Africa
Photo credit: © Oscar Max / AfriPics
License: Licensed
Model Released: No

Keywords: demonstration, dirty, experiment, liquid, muddy, murky, science, suspended solids, unfiltered, water, water quality, african