Our Whitewater Ecoscape stone is not only an artistic choice for the home aquarium, but also a safe choice for both fish and plants. Whitewater is a river stone that has been smoothed out by large amounts of flowing water over a long period of time. Its shape makes it safe for large fish that may cut themselves on sharper edges from other stones. It is ideal for high flow situations that seek to recreate specific biotopes. It is inert and will not alter pH or hardness. It comes in a variety of shapes and sizes handpicked by the Ecoscape team to give your aquarium a unique look.