This coarse natural silica sand all made of natural stone. Non-toxic, no polishing, no dyeing, no waxing.
It can be used in aquariums and fish tanks to help keeping the water clean and absorbing impurities. The feces will fall into the gab of sand, which will make the fish tank more beautiful.
Putting on top of soil in the flowerpot, it can help to lock the water and provide good drainage and help the soil retain moisture. This sand also can be used as an excellent fireproof base layer, protecting fire pit and surrounding area.
The color is different between dry and wet, and will not fade away through time. It can be used in fish tanks, aquariums, potted plants, succulent plants, gardens, fire pits, vase fillers, home decoration, DIY, etc.
It may have dust due to transportation. Before use, pls rinse for 3-4 times with water.