Light, fine substrate scattered with small black stones for freshwater aquariums
- 0.8 mm grain size substrate for freshwater or saltwater aquariums and terrariums
- Prevents mucous membrane injuries: coarse-grained, rounded sand protects the sensitive barbels of bottom-dwelling fish. Ideal for burrowing fish (rays, kuhlis, catfish, etc.)
- Ideal for fish, invertebrates, and plants: no release of unwanted harmful substances into the water.
