ADA Aqua Gravel S - Premium Natural Aquarium Substrate for Planted Tanks | Ideal for Shrimp & Nano Fish Tanks | Perfect for Aquascaping & Water Filtration

Aqua Gravel is a natural river gravel that won't raise the hardness of the aquarium water. You can spread it directly inside the aquarium tank and use as base sand. (Usable for bottom filter). Small size.