- Substrate with 0.2-0.6 mm grain size
- Fine, uncoloured sandy soil: substrate for fresh and saltwater aquariums and aqua-terrariums
- Vigorous plant growth: prevents the seeping in of sludge and other waste material with its fine granulation and density
- Prevents injuries of the mucous membrane: fine, round-shaped natural sand is gentle on sensitive barbels. Ideal for grubbing fish, such as armoured catfish and loaches
- Ideal for fish, invertebrates and plants: no unwanted pollutants released into the water.
- Not fully suitable for undergravel heating cables